- <>15 - Syntax Error in Decrypted Text 
- <>7 - Invalid Application Sender's Code 
- <>25 - S4E Security End Segment Missing for S4S Security Start Segment 
- <>13 - Unknown Security Recipient 
- <>31 - Invalid Group Time 
- <>14 - Unknown Security Originator 
- <>19 - Functional Group Control Number not Unique within Interchange 
- <>12 - Requested Service (Authentication or Encryption) Not Available 
- <>30 - Invalid Group Date 
- <>17 - Incorrect Message Length (Encryption Only) 
- <>1 - Functional Group Not Supported 
- <>23 - S3E Security End Segment Missing for S3S Security Start Segment 
- <>18 - Message Authentication Code Failed 
- <>4 - Group Control Number in the Functional Group Header and Trailer Do Not Agree 
- <>26 - S4S Security Start Segment Missing for S4E Security End Segment 
- <>16 - Security Not Supported 
- <>2 - Functional Group Version Not Supported 
- <>5 - Number of Included Transaction Sets Does Not Match Actual Count 
- <>8 - Invalid Application Receiver's Code 
- <>11 - Encryption Key Name Unknown 
- <>3 - Functional Group Trailer Missing 
- <>24 - S3S Security Start Segment Missing for S3E End Segment 
- <>6 - Group Control Number Violates Syntax 
- <>9 - Invalid Responsible Agency Code 
- <>10 - Authentication Key Name Unknown