There is a code in the calling procedure which checks if object 'dbo.EXTGEN_InitSessionContextSp' exists. And it does not exist.

IF OBJECT_ID(N'dbo.EXTGEN_InitSessionContextSp') IS NOT NULL

BEGIN

-- Some code

RETURN 0

END

---------------------------------------------------

SQLState = 37000, NativeError = 2812

Error = [Microsoft][SQL Native Client][SQL Server]Could not find stored procedur

e 'dbo.EXTGEN_InitSessionContextSp'.