How To Fix CDS_UNIT_MESSAGE100 - Insertion failed. Source type '&1' does not match target type '&2'

CDS_UNIT_MESSAGE100 - Overview

• Message type: E = Error

• Message class: CDS_UNIT_MESSAGE - Message Class

• Message number: 100

• Message text: Insertion failed. Source type '&1' does not match target type '&2'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CDS_UNIT_MESSAGE100 - Insertion failed. Source type '&1' does not match target type '&2' ?

  The SAP error message CDS_UNIT_MESSAGE100 indicates that there is a type mismatch between the source and target fields during an insertion operation in a Core Data Services (CDS) view or a related database operation. This typically occurs when you are trying to insert data into a database table or a CDS view, and the data types of the source and target fields do not align.
  
  Cause:
  
  Data Type Mismatch: The most common cause is that the data type of the source field (the data you are trying to insert) does not match the data type of the target field (the field in the database or CDS view).
  Incompatible Structures: If you are using structures or complex types, the internal representation may not match.
  Field Length Issues: Sometimes, even if the data types match, the length of the data being inserted may exceed the length defined for the target field.
  Nullability: If the source field allows