1        Functional Group Not Supported
2        Functional Group Version Not Supported
3        Functional Group Trailer Missing
4        Group Control Number in the Functional Group Header and Trailer Do Not Agree
5        Number of Included Transaction Sets Does Not Match Actual Count
6        Group Control Number Violates Syntax
10       Authentication Key Name Unknown
11       Encryption Key Name Unknown
12       Requested Service (Authentication or Encryption) Not Available
13       Unknown Security Recipient
14       Unknown Security Originator
15       Syntax Error in Decrypted Text
16       Security Not Supported
17       Incorrect Message Length (Encryption Only)
18       Message Authentication Code Failed
19       S1E Security End Segment Missing for S1S Security Start Segment
20       S1S Security Start Segment Missing for S1E End Segment
21       S2E Security End Segment Missing for S2S Security Start Segment
22       S2S Security Start Segment Missing for S2E Security End Segment
23       S3E Security End Segment Missing for S3S Security Start Segment
24       S3S Security Start Segment Missing for S3E End Segment
25       S4E Security End Segment Missing for S4S Security Start Segment
26       S4S Security Start Segment Missing for S4E Security End Segment