CECD0007E (0x01040007) CECD0007E The data server encountered an unexpected error accessing the DD-name DD statement. The error message code is specific-return-code, with the specific return codes (rc1,rc2).

dsname

Explanation
The data server encountered a problem accessing
the data set associated with one of the DD statements referenced in
the JCL. If the DD name is in the format //'dsname', the server
failed to dynamically allocate and open the data set name enclosed
in apostrophes

User response
For information about how to resolve the error,
refer to the specific-return-code in the product
message information. If the problem persists, contact IBM® Software Support.

To locate the documentation for the specific-return-code value, 
use the guidelines that are described in Searching for a specific-return-code value.