The external function call is incompatible

Error constant SQLE_INCOMPATIBLE_EXTERNAL_CALL
ODBC 2 State ERROR
ODBC 3 State ERROR
Severity 16
SQLCODE –818
SQLSTATE WW026
Sybase error code 13824
Probable cause

You attempted to call an external function. An attempt to load the attempted library failed because of incompatibility with the server. Incompatibility may arise because the dynamic library is using an external function API that is either not supported by the server or is newer than the one supported by the server.