Fatal error - MVC & MySQL related

Hi guys, since this morning I started getting some errors that I do not understand:

Fri Aug 3 11:27:58 2018 [19125][1][FATAL] Saving probably failed or bean->save() method did not return with a positive result.
Fri Aug 3 11:28:14 2018 [6227][1][FATAL] Saving probably failed or bean->save() method did not return with a positive result.
Fri Aug 3 11:34:54 2018 [5962][1][FATAL] Saving probably failed or bean->save() method did not return with a positive result.
Fri Aug 3 11:35:28 2018 [19125][1][FATAL] Saving probably failed or bean->save() method did not return with a positive result.
Fri Aug 3 11:36:24 2018 [5962][1][FATAL] Saving probably failed or bean->save() method did not return with a positive result.
Fri Aug 3 14:55:09 2018 [5962][1][FATAL] Mysqli_query failed.
Fri Aug 3 14:55:09 2018 [5962][1][FATAL] Error running count query for Lead List: Query Failed: ( SELECT count(*) c FROM fp_events INNER JOIN fp_events_leads_1_c ON leads.id=fp_events_leads_1_c.fp_events_leads_1leads_idb AND fp_events_leads_1_c.fp_events_leads_1fp_events_ida=‘baf754ef-8bc4-08f0-e53f-5b3ca4fc930d’ AND fp_events_leads_1_c.deleted=0

where fp_events.deleted=0 ): MySQL error 1054: Unknown column ‘leads.id’ in ‘on clause’
Fri Aug 3 14:55:09 2018 [5962][1][FATAL] Exception handling in /var/www/crm.noviopus.com/html/include/MVC/Controller/SugarController.php:402
Fri Aug 3 14:55:09 2018 [5962][1][FATAL] Exception in Controller: Database failure. Please refer to suitecrm.log for details.
Fri Aug 3 14:55:09 2018 [5962][1][FATAL] backtrace:
#0 /var/www/crm.noviopus.com/html/include/database/DBManager.php(353): sugar_die(‘Database failur…’)
#1 /var/www/crm.noviopus.com/html/include/database/DBManager.php(328): DBManager->registerError(‘Error running c…’, ‘Error running c…’, true)
#2 /var/www/crm.noviopus.com/html/include/database/MysqliManager.php(177): DBManager->checkError(‘Error running c…’, true)
#3 /var/www/crm.noviopus.com/html/data/SugarBean.php(1510): MysqliManager->query(’( SELECT count(…’, true, ‘Error running c…’)
#4 /var/www/crm.noviopus.com/html/data/SugarBean.php(1260): SugarBean->_get_num_rows_in_query(’( SELECT count(…’, false)
#5 /var/www/crm.noviopus.com/html/data/SugarBean.php(1018): SugarBean->process_union_list_query(Object(Lead), ‘(SELECT fp_even…’, ‘’, -1, 10, ‘’, Object(aSubPanel), ‘( SELECT count(…’, Array)
#6 /var/www/crm.noviopus.com/html/include/ListView/ListView.php(1101): SugarBean::get_union_related_list(Object(Lead), ‘fp_events.id as…’, ‘asc’, ‘’, ‘’, -1, 10, ‘’, Object(aSubPanel))
#7 /var/www/crm.noviopus.com/html/include/ListView/ListViewSubPanel.php(142): ListView->processUnionBeans(Object(Lead), Object(aSubPanel), ‘fp_events_leads…’)
#8 /var/www/crm.noviopus.com/html/include/SubPanel/SubPanel.php(220): ListViewSubPanel->process_dynamic_listview(‘Leads’, Object(Lead), Object(aSubPanel))
#9 /var/www/crm.noviopus.com/html/include/SubPanel/SubPanel.php(231): SubPanel->ProcessSubPanelListView(‘include/SubPane…’, Array)
#10 /var/www/crm.noviopus.com/html/include/SubPanel/SubPanelViewer.php(95): SubPanel->display()
#11 /var/www/crm.noviopus.com/html/include/MVC/Controller/SugarController.php(1081): require_once(’/var/www/crm.no…’)
#12 /var/www/crm.noviopus.com/html/include/MVC/Controller/SugarController.php(465): SugarController->handleActionMaps()
#13 /var/www/crm.noviopus.com/html/include/MVC/Controller/SugarController.php(373): SugarController->process()
#14 /var/www/crm.noviopus.com/html/include/MVC/SugarApplication.php(109): SugarController->execute()
#15 /var/www/crm.noviopus.com/html/index.php(52): SugarApplication->execute()
#16 {main}
Fri Aug 3 15:00:46 2018 [19125][1][FATAL] Mysqli_query failed.
Fri Aug 3 15:00:46 2018 [19125][1][FATAL] Error running count query for Lead List: Query Failed: ( SELECT count(*) c FROM fp_events INNER JOIN fp_events_leads_1_c ON leads.id=fp_events_leads_1_c.fp_events_leads_1leads_idb AND fp_events_leads_1_c.fp_events_leads_1fp_events_ida=‘2d711bdf-a3a6-f525-3929-5b48e3832c56’ AND fp_events_leads_1_c.deleted=0

where fp_events.deleted=0 ): MySQL error 1054: Unknown column ‘leads.id’ in ‘on clause’
Fri Aug 3 15:00:46 2018 [19125][1][FATAL] Exception handling in /var/www/crm.noviopus.com/html/include/MVC/Controller/SugarController.php:402
Fri Aug 3 15:00:46 2018 [19125][1][FATAL] Exception in Controller: Database failure. Please refer to suitecrm.log for details.
Fri Aug 3 15:00:46 2018 [19125][1][FATAL] backtrace:
#0 /var/www/crm.noviopus.com/html/include/database/DBManager.php(353): sugar_die(‘Database failur…’)
#1 /var/www/crm.noviopus.com/html/include/database/DBManager.php(328): DBManager->registerError(‘Error running c…’, ‘Error running c…’, true)
#2 /var/www/crm.noviopus.com/html/include/database/MysqliManager.php(177): DBManager->checkError(‘Error running c…’, true)
#3 /var/www/crm.noviopus.com/html/data/SugarBean.php(1510): MysqliManager->query(’( SELECT count(…’, true, ‘Error running c…’)
#4 /var/www/crm.noviopus.com/html/data/SugarBean.php(1260): SugarBean->_get_num_rows_in_query(’( SELECT count(…’, false)
#5 /var/www/crm.noviopus.com/html/data/SugarBean.php(1018): SugarBean->process_union_list_query(Object(Lead), ‘(SELECT fp_even…’, 0, -1, 10, ‘’, Object(aSubPanel), ‘( SELECT count(…’, Array)
#6 /var/www/crm.noviopus.com/html/include/ListView/ListView.php(1101): SugarBean::get_union_related_list(Object(Lead), ‘fp_events.id as…’, ‘asc’, ‘’, 0, -1, 10, ‘’, Object(aSubPanel))
#7 /var/www/crm.noviopus.com/html/include/ListView/ListViewSubPanel.php(142): ListView->processUnionBeans(Object(Lead), Object(aSubPanel), ‘fp_events_leads…’)
#8 /var/www/crm.noviopus.com/html/include/SubPanel/SubPanel.php(220): ListViewSubPanel->process_dynamic_listview(‘Leads’, Object(Lead), Object(aSubPanel))
#9 /var/www/crm.noviopus.com/html/include/SubPanel/SubPanelTiles.php(366): SubPanel->ProcessSubPanelListView(‘include/SubPane…’, Array)
#10 /var/www/crm.noviopus.com/html/include/MVC/View/SugarView.php(1193): SubPanelTiles->display()
#11 /var/www/crm.noviopus.com/html/include/MVC/View/SugarView.php(235): SugarView->_displaySubPanels()
#12 /var/www/crm.noviopus.com/html/include/MVC/Controller/SugarController.php(432): SugarView->process()
#13 /var/www/crm.noviopus.com/html/include/MVC/Controller/SugarController.php(375): SugarController->processView()
#14 /var/www/crm.noviopus.com/html/include/MVC/SugarApplication.php(109): SugarController->execute()
#15 /var/www/crm.noviopus.com/html/index.php(52): SugarApplication->execute()
#16 {main}
Fri Aug 3 15:01:02 2018 [11982][1][FATAL] SugarPHPMailer encountered an error: Invalid address: (addAnAddress to):
Fri Aug 3 15:01:02 2018 [11982][1][FATAL] SugarPHPMailer encountered an error: Invalid address: (addAnAddress to):
Fri Aug 3 15:01:26 2018 [19125][1][FATAL] Mysqli_query failed.
Fri Aug 3 15:01:26 2018 [19125][1][FATAL] Error running count query for Lead List: Query Failed: ( SELECT count(*) c FROM fp_events INNER JOIN fp_events_leads_1_c ON leads.id=fp_events_leads_1_c.fp_events_leads_1leads_idb AND fp_events_leads_1_c.fp_events_leads_1fp_events_ida=‘3a9176ff-5968-0249-e45a-5b3f29184286’ AND fp_events_leads_1_c.deleted=0

where fp_events.deleted=0 ): MySQL error 1054: Unknown column ‘leads.id’ in ‘on clause’
Fri Aug 3 15:01:26 2018 [19125][1][FATAL] Exception handling in /var/www/crm.noviopus.com/html/include/MVC/Controller/SugarController.php:402
Fri Aug 3 15:01:26 2018 [19125][1][FATAL] Exception in Controller: Database failure. Please refer to suitecrm.log for details.
Fri Aug 3 15:01:26 2018 [19125][1][FATAL] backtrace:
#0 /var/www/crm.noviopus.com/html/include/database/DBManager.php(353): sugar_die(‘Database failur…’)
#1 /var/www/crm.noviopus.com/html/include/database/DBManager.php(328): DBManager->registerError(‘Error running c…’, ‘Error running c…’, true)
#2 /var/www/crm.noviopus.com/html/include/database/MysqliManager.php(177): DBManager->checkError(‘Error running c…’, true)
#3 /var/www/crm.noviopus.com/html/data/SugarBean.php(1510): MysqliManager->query(’( SELECT count(…’, true, ‘Error running c…’)
#4 /var/www/crm.noviopus.com/html/data/SugarBean.php(1260): SugarBean->_get_num_rows_in_query(’( SELECT count(…’, false)
#5 /var/www/crm.noviopus.com/html/data/SugarBean.php(1018): SugarBean->process_union_list_query(Object(Lead), ‘(SELECT fp_even…’, 0, -1, 10, ‘’, Object(aSubPanel), ‘( SELECT count(…’, Array)
#6 /var/www/crm.noviopus.com/html/include/ListView/ListView.php(1101): SugarBean::get_union_related_list(Object(Lead), ‘fp_events.id as…’, ‘asc’, ‘’, 0, -1, 10, ‘’, Object(aSubPanel))
#7 /var/www/crm.noviopus.com/html/include/ListView/ListViewSubPanel.php(142): ListView->processUnionBeans(Object(Lead), Object(aSubPanel), ‘fp_events_leads…’)
#8 /var/www/crm.noviopus.com/html/include/SubPanel/SubPanel.php(220): ListViewSubPanel->process_dynamic_listview(‘Leads’, Object(Lead), Object(aSubPanel))
#9 /var/www/crm.noviopus.com/html/include/SubPanel/SubPanelTiles.php(366): SubPanel->ProcessSubPanelListView(‘include/SubPane…’, Array)
#10 /var/www/crm.noviopus.com/html/include/MVC/View/SugarView.php(1193): SubPanelTiles->display()
#11 /var/www/crm.noviopus.com/html/include/MVC/View/SugarView.php(235): SugarView->_displaySubPanels()
#12 /var/www/crm.noviopus.com/html/include/MVC/Controller/SugarController.php(432): SugarView->process()
#13 /var/www/crm.noviopus.com/html/include/MVC/Controller/SugarController.php(375): SugarController->processView()
#14 /var/www/crm.noviopus.com/html/include/MVC/SugarApplication.php(109): SugarController->execute()
#15 /var/www/crm.noviopus.com/html/index.php(52): SugarApplication->execute()
#16 {main}
Fri Aug 3 15:01:35 2018 [19125][1][FATAL] SugarBean::populateDefaultValues $field_defs should be an array
Fri Aug 3 15:01:48 2018 [19125][1][FATAL] Mysqli_query failed.
Fri Aug 3 15:01:48 2018 [19125][1][FATAL] Error running count query for Lead List: Query Failed: ( SELECT count(*) c FROM fp_events INNER JOIN fp_events_leads_1_c ON leads.id=fp_events_leads_1_c.fp_events_leads_1leads_idb AND fp_events_leads_1_c.fp_events_leads_1fp_events_ida=‘2d711bdf-a3a6-f525-3929-5b48e3832c56’ AND fp_events_leads_1_c.deleted=0

where fp_events.deleted=0 ): MySQL error 1054: Unknown column ‘leads.id’ in ‘on clause’