If you get this error and are sure that a DSN exists with the same name as the one you specified, check for the following:
Driver = ODBC-ODBC Bridge
-Or-
Driver = ODBC-ODBC Bridge_r
for the thread-safe Easysoft ODBC-ODBC Bridge Client driver.
[ODBC-ODBC Bridge] Description = Easysoft ODBC-ODBC Bridge Driver = /usr/local/easysoft/oob/client/libesoobclient.so.1 Setup = /usr/local/easysoft/oob/client/libesoobsetup.so UsageCount = 1
-Or-
[ODBC-ODBC Bridge_r] Description = Easysoft ODBC-ODBC Bridge (MT) Driver = /usr/local/easysoft/oob/client/libesoobclient_r.so.1 Setup = /usr/local/easysoft/oob/client/libesoobsetup.so UsageCount = 1
for the thread-safe driver.
If the entry is missing, look at Post installation steps for non-root installations in the Installing on Unix section of the ODBC-ODBC Bridge manual for instructions on how to add it.