Thanks for your anwser,
We are using
Ubuntu: 16.04
PHP: PHP 7.0.25-0ubuntu0.16.04.1 (cli) ( NTS )
Mysql: mysql Ver 14.14 Distrib 5.7.21, for Linux (x86_64)
Logs:
FATAL - LOG
Fri Feb 23 11:39:22 2018 [31737][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][FATAL] Exception handling in /var/www/html/suitecrm/include/MVC/Controller/SugarController.php:402
Fri Feb 23 11:39:22 2018 [31737][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][FATAL] Exception in Controller: SugarFolder::retrieveFoldersForProcessing() Cannot Retrieve Folders - Please check the users inbound email settings.
Fri Feb 23 11:39:22 2018 [31737][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][FATAL] backtrace:
ERROR - LOG
Fri Feb 23 11:19:58 2018 [1453][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:19:58 2018 [1453][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:19:58 2018 [31736][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][ERROR] error: no ieID
Fri Feb 23 11:19:58 2018 [31736][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:19:58 2018 [31736][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:19:59 2018 [1453][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:19:59 2018 [1453][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:24:59 2018 [31062][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:24:59 2018 [31062][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:24:59 2018 [31062][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:24:59 2018 [31062][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:24:59 2018 [28821][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][ERROR] error: no ieID
Fri Feb 23 11:24:59 2018 [28821][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:24:59 2018 [28821][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:30:02 2018 [1453][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:30:02 2018 [1453][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:30:05 2018 [31732][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][ERROR] error: no ieID
Fri Feb 23 11:30:05 2018 [31732][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:30:05 2018 [31732][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:30:05 2018 [1453][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:30:05 2018 [1453][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:30:35 2018 [28796][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:30:35 2018 [28796][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:30:36 2018 [31737][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:30:36 2018 [31737][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:35:08 2018 [31732][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:35:08 2018 [31732][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:35:11 2018 [10567][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][ERROR] error: no ieID
Fri Feb 23 11:35:11 2018 [10567][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:35:11 2018 [10567][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:35:11 2018 [31732][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:35:11 2018 [31732][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:36:22 2018 [28821][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:36:22 2018 [28821][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:36:24 2018 [28821][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:36:24 2018 [28821][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:09 2018 [28796][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:09 2018 [28796][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:11 2018 [28796][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (created_by_link)
Fri Feb 23 11:39:11 2018 [28796][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (created_by_link)
Fri Feb 23 11:39:11 2018 [28796][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (modified_user_link)
Fri Feb 23 11:39:12 2018 [28821][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:12 2018 [28821][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:13 2018 [28796][1][ERROR] error: no ieID
Fri Feb 23 11:39:13 2018 [28796][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:13 2018 [28796][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:14 2018 [28821][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:14 2018 [28821][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:17 2018 [31737][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:17 2018 [31737][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:19 2018 [31737][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (created_by_link)
Fri Feb 23 11:39:19 2018 [31737][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (created_by_link)
Fri Feb 23 11:39:19 2018 [31737][1][DEBUG] SugarBean.load_relationships, Error Loading relationship (modified_user_link)
Fri Feb 23 11:39:20 2018 [31736][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:20 2018 [31736][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:20 2018 [31737][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][ERROR] error: no ieID
Fri Feb 23 11:39:20 2018 [31737][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:20 2018 [31737][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:20 2018 [31736][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:20 2018 [31736][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:22 2018 [28773][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:22 2018 [28773][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:22 2018 [31736][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:22 2018 [31736][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:25 2018 [31736][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:25 2018 [31736][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:25 2018 [31737][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][ERROR] error: no ieID
Fri Feb 23 11:39:25 2018 [31737][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:25 2018 [31737][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:25 2018 [31736][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)
Fri Feb 23 11:39:25 2018 [31736][1aaad63a-a5a2-bfdb-9f8f-5a8c043658fe][DEBUG] SugarBean.load_relationships, Error Loading relationship (assigned_user_id)