... and trim (cod_deleg) = trim (:cod_deleg) stop working when

I need help with a query that stoped working when ported from Informix 7.12 to 7.30UC7 The query is: select desc_deleg from oasisadm.delegaciones where cod_financ = :cod_financ and trim (cod_deleg) = trim (:cod_deleg) the query is part of a DELPHI 2.0 application connecting via ODBC to the database once 7.12 now 7.30 and using INFORMIX-CLI 2.5 dirver The error message I get is: Error: Key violation. [INTERSOLV][ODBC Informix driver][Informix]Procedure (trim) not found. The same application retrieves the data when conneted to the old database Thank you for any help you can give me Daniel Bonesana