{
        funcInfo = findFuncByOid(cast->castfunc);
        if (funcInfo == NULL)
-           exit_horribly(NULL, "unable to find function definition for OID %u",
+           exit_horribly(NULL, "could not find function definition for function with OID %u\n",
                          cast->castfunc);
    }
 
    {
        fromsqlFuncInfo = findFuncByOid(transform->trffromsql);
        if (fromsqlFuncInfo == NULL)
-           exit_horribly(NULL, "unable to find function definition for OID %u",
+           exit_horribly(NULL, "could not find function definition for function with OID %u\n",
                          transform->trffromsql);
    }
    if (OidIsValid(transform->trftosql))
    {
        tosqlFuncInfo = findFuncByOid(transform->trftosql);
        if (tosqlFuncInfo == NULL)
-           exit_horribly(NULL, "unable to find function definition for OID %u",
+           exit_horribly(NULL, "could not find function definition for function with OID %u\n",
                          transform->trftosql);
    }