How To Fix TB850 - Comparison not possible; key of table/view is greater than & bytes

TB850 - Overview

• Message type: E = Error

• Message class: TB - SM31 table maintenance messages

• Message number: 850

• Message text: Comparison not possible; key of table/view is greater than & bytes

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 TB850 - Comparison not possible; key of table/view is greater than & bytes ?

  The SAP error message TB850 ("Comparison not possible; key of table/view is greater than & bytes") typically occurs when there is an attempt to compare or process a key that exceeds the maximum allowed size for a comparison operation in SAP. This is often related to database operations where the key length exceeds the limits set by the system.
  
  Cause:
  
  Key Length Exceeded: The primary cause of this error is that the key of the database table or view being accessed is larger than the maximum size that can be handled by the comparison operation. In SAP, the maximum size for a key comparison is usually 255 bytes.
  Data Model Design: Poorly designed data models or incorrect configurations can lead to situations where keys are unnecessarily large.
  Custom Development: Custom ABAP programs or enhancements that involve database operations may inadvertently create situations where large keys are compared.
  
  
  Solution:
  
  Review Key Lengths: Check the definition of the