This message is a warning from the preprocessor. The specified variable was declared more than once in the current scope. Compilation continues using this latest declaration to the end of the current scope. If you did not intend to redeclare the indicated variable, check the spelling of variable names and the syntax of declarations. In IBM Informix ESQL/C, this warning can also be issued if the variable is used as function parameter. In this case, use the PARAMETER clause.