Add log

htdocs/core/lib/functions2.lib.php

@@ -723,6 +723,7 @@ function get_next_value($db,$mask,$table,$field,$where='',$objsoc='',$date='',$m
     // but we should use local year and month of user
 
     // For debugging
+    dol_syslog("mask=".$mask);
     //include_once(DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php');
     //$mask='FA{yy}{mm}-{0000@99}';
     //$date=dol_mktime(12, 0, 0, 1, 1, 1900);