Error when creating new item with screen customization plugin

Hi,

I have an error when i create a new item with screen customization plugin but nothing is logged in .log

Here is the .log file :

2016-12-09 09:08:11.192 ===== TRACE ===== NEW CONNECTED USER 'ldumas'
2016-12-09 09:39:51.588 ===== TRACE ===== DISCONNECTED USER 'ldumas'
2016-12-09 09:39:52.295 ===== TRACE ===== NEW CONNECTED USER 'ldumas' (using remember me feature)
2016-12-09 09:43:00.461 ===== TRACE ===== New plugin found : screenCustomization_V2.1.zip
2016-12-09 09:43:00.484 ===== TRACE ===== Plugin unzipped succefully
2016-12-09 09:43:00.492 ===== TRACE ===== Plugin descriptor information :
2016-12-09 09:43:00.492 ===== TRACE ===== => name : screenCustomization
2016-12-09 09:43:00.492 ===== TRACE ===== => description : Customization of screens
2016-12-09 09:43:00.492 ===== TRACE ===== => version : 2.1
2016-12-09 09:43:00.492 ===== TRACE ===== => compatibility : V5.2.3
2016-12-09 09:43:00.493 ===== TRACE ===== =====================================
2016-12-09 09:43:00.493 ===== TRACE =====
2016-12-09 09:43:00.493 ===== TRACE ===== PLUGIN SQL FILE : ../plugin/screenCustomization/screenCustomization.sql
2016-12-09 09:43:00.493 ===== TRACE =====
2016-12-09 09:43:00.494 ===== TRACE ===== 1 lines inserted into table "menu".
2016-12-09 09:43:00.515 ===== TRACE ===== 1 lines inserted into table "habilitation".
2016-12-09 09:43:00.519 ===== TRACE ===== Table "plgcustomlist" created.
2016-12-09 09:43:00.522 ===== TRACE ===== Index "plgcustomlistScope" created.
2016-12-09 09:43:00.522 ===== TRACE =====
2016-12-09 09:43:00.522 ===== TRACE ===== DATABASE UPDATED
2016-12-09 09:43:00.522 ===== TRACE ===== WITH NO ERROR
2016-12-09 09:43:00.522 ===== TRACE =====
2016-12-09 09:43:00.522 ===== TRACE ===== Plugin updated database with 0 errors from script ../plugin/screenCustomization/screenCustomization.sql
2016-12-09 09:43:00.612 ===== TRACE ===== Plugin screenCustomization V2.1 completely deployed
2016-12-09 10:05:07.221 ===== TRACE ===== =====================================
2016-12-09 10:05:07.221 ===== TRACE =====
2016-12-09 10:05:07.221 ===== TRACE ===== PLUGIN SQL FILE : ../plugin/screenCustomization/temp.sql
2016-12-09 10:05:07.221 ===== TRACE =====
2016-12-09 10:05:07.228 ===== TRACE ===== Table "client" altered.
2016-12-09 10:05:07.228 ===== TRACE =====
2016-12-09 10:05:07.228 ===== TRACE ===== DATABASE UPDATED
2016-12-09 10:05:07.228 ===== TRACE ===== WITH NO ERROR
2016-12-09 10:05:07.228 ===== TRACE =====

And here is the dialog error :

Add : I have the same error when i want to delete a created item (because sometimes i can create items....)

After many tries i'm still in trouble, i found that it seems to work fine on all tables EXCEPT clients (i started with clients), here is the log from developper tools (chrome)