How To Fix TK157 - Key cannot be entered for table &

TK157 - Overview

• Message type: E = Error

• Message class: TK - Transport Organizer

• Message number: 157

• Message text: Key cannot be entered for table &

What causes this issue?

Table "&V1&" contains a key that starts with a field that cannot be
represented in a character field.
An example of this is a packed number field. In such a special case,
no table keys can be entered.

System Response

No table keys can be entered.

How to fix this error?

Specify the transport function at table level. To do so, you have to
delete or insert all the keys.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TK157 - Key cannot be entered for table & ?

  The SAP error message TK157 ("Key cannot be entered for table &") typically occurs when there is an attempt to enter a key value into a table that does not allow it, often due to constraints or settings in the table definition. This error can arise in various contexts, such as during data entry, updates, or when trying to create new records.
  Causes:
  
  Key Definition Issues: The table may not be defined to accept the key you are trying to enter. This could be due to the key not being part of the primary key or unique index of the table.
  Data Type Mismatch: The data type of the key you are trying to enter may not match the expected data type defined in the table structure.
  Table Locking: The table might be locked for updates or changes, preventing new entries.
  Authorization Issues: The user may not have the necessary authorizations to enter data into