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100-level error codes

The 100-level error codes (codes 100 to 199) are returned in the TU4.0 or TU4.1 fixed format response (FFR) due to unacceptable segment input or segment structure.

The following error code table is derived from full TransUnion User Guides. The latest User Guides are available in this site’s Document Repository.

Code Description Common Reasons for Error Troubleshooting Tips
101 Fixed format inquiry (FFI) segment contains an invalid segment ID.

FFI record contains an invalid segment ID or invalid country code, or the sum of the individual segment lengths is invalid.

This error is usually seen only during development.

  • Refer to the TransUnion TU4.0 or TU4.1 manual for proper segment specifications.
  • Check / verify that the segment lengths are correct.
    Verify segment IDs are correct and valid.
117 The length of the Fixed format inquiry (FFI) is invalid.

Occurs when:

  • An incomplete FFI is received.
  • An ENDS / END1 segment is not the last segment in the FFI.
  • Refer to the TransUnion TU4.0 or TU4.1 manual for proper specifications for the ENDS / END1 segment.
  • Check input to ensure proper format and sequence of segments and resend transaction.
  • Seek assistance from your system provider.
132 Number of subject AD01, AD11, or UA11 segments greater than maximum allowed. Occurs when more than 2 AD01, AD11, or UA11 segments for a subject are present in the FFI.
  • Refer to the TransUnion TU4.0 or TU4.1 manual for proper specifications for the AD01, AD11, or UA11 segment.
  • Check input, delete extra segments, and resend transaction.
171 Segment out of order.

Occurs when the CD01 segment does not immediately precede the SH01 segment.

This error is usually seen only during development.

  • Refer to the TransUnion TU4.0 or TU4.1 manual for proper specifications and segment order.
  • Check input to ensure proper format and sequence of segments and resend transaction.
172 Required segment missing or invalid. Occurs when the fixed format inquiry (FFI) does not include a CD01 segment.

  • Refer to the TransUnion TU4.0 or TU4.1 manual for proper specifications for the CD01 segment.
  • Ensure you have the CD01 segment coded if you are using the TransUnion Net Access (TUNA) connectivity method.
  • Check input for proper format and resend transaction.
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