Ora 2117 seems to be a resource problem tied to media channels and memory management. It is in the PRO*x area of error messages, but is missing from my documentaiton (7.x, OERR, etc.)
It was mentioned in the PRO*x 1.8.51 distribution readme as part of the 'fix' list where statements were reused.
Joseph R.P. Maloney, CSP,CDP,CCP
'The answer is 42'