FTP add returns an error message Ftp hinzufügen gibt eine Fehlermeldung

Dear administrator,

An exception has been thrown in file
/var/www/imscp/gui/library/Functions/Shared.php at line 2206:

==========================================================================
SQLSTATE[42000]: Syntax error or access violation: 1055 Expression #1 of
SELECT list is not in GROUP BY clause and contains nonaggregated column
'imscp.sql_user.sqlu_id' which is not functionally dependent on columns in
GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

Query was:

SELECT sqlu_id, sqlu_name, sqlu_host FROM sql_user INNER JOIN
sql_database USING(sqld_id) WHERE domain_id = :domain_id AND
sqld_id != :sqld_id AND CONCAT(sqlu_name, sqlu_host) NOT IN(
SELECT CONCAT(sqlu_name, sqlu_host) FROM sql_user WHERE sqld_id = :sqld_id
) GROUP BY sqlu_name, sqlu_host
==========================================================================

Backtrace:
__________

File: /var/www/imscp/gui/public/client/sql_user_add.php at line 83
Function: exec_query()
File: /var/www/imscp/gui/public/client/sql_user_add.php at line 386
Function: client_generateSqlUserList()

Contextual information:
_______________________

Request Uri: /client/sql_user_add.php?id=1
Http Referer:
Remote Addr: 46.59
Server Addr: 94.23.

Note: You will not receive further emails for this exception in the next 24
hours.

Please do not reply to this email.