[ERROR: BUSINESS_LOGIC_ERROR]
[DESCRIPTION: Se ha producido un error al executar la lógica de negocio]
[MESSAGE: null]

[ERROR: SQL_ERROR]
[ACTION:EXEC_SQL]
[TRACE:Query.execSql]
[DESCRIPTION: Se ha producido un error al ejecutar la sentencia SQL]
[SQL: select * from usuaris where num_relats>0 order by data_alta desc limit 50]
[MESSAGE:(conn=46259) (conn=46259) Connection is closed]