How To Fix UCT8260 - &2 is incompatible with external format for source field &1

UCT8260 - Overview

• Message type: E = Error

• Message class: UCT8 - Message class for UCT8(mapping)

• Message number: 260

• Message text: &2 is incompatible with external format for source field &1

What causes this issue?

During execution, the method derives the source selection for source fie
ld &V1& from the mapping rule for the target field. &V2& is one of the
values that were derived for the source selection. The sys
tem requires that this value is in the external format because the
Conversion Exit indicator has been selected in the move operator for
field &V1&. However, the value &V2& is incompatible with the external
format.
See also the other message issued along with this message, which provide
s detailed information about the error.

System Response

The system cannot derive the source selection for source field &V1&. Bec
ause of this, the system might read more data than was originally
intended. This can lead to performance issues.

How to fix this error?

Examine the mapping rule used by source field &V1&. Examine the
Conversion Exit indicator in the move definition, in particular. If &V2&
is indeed in the SAP-internal format, you should deselect the
Conversion Exit indicator.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCT8260 - &2 is incompatible with external format for source field &1 ?

  The SAP error message UCT8260 indicates that there is an incompatibility between the data format of a source field and the expected external format. This typically occurs during data transfer or data processing when the system encounters a value that does not conform to the expected format for a specific field.
  
  Cause:
  
  Data Type Mismatch: The data being imported or processed does not match the expected data type for the field. For example, if a numeric field is expected but a string is provided.
  Incorrect Formatting: The data may be formatted incorrectly, such as using the wrong decimal separator or date format.
  Field Length Exceeded: The length of the data being input may exceed the maximum length defined for the field.
  Invalid Characters: The data may contain characters that are not allowed in the specified field.
  
  
  Solution:
  
  Check Data Types: Ensure that the data being processed matches the expected data types for each field. For example, if