What can I do to troubleshoot this error? The machine is fine. I can do isql 'anydatasource' and it works module load res_odbc.so Unable to load module res_odbc.so Command 'module load res_odbc.so' failed. [Apr 23 20:25:59] ERROR[28838]: loader.c:283 module_load_error: res_odbc has one or more unknown dependencies.