Message type: E = Error
Message class:  SV - View Maintenance: Customize Messages 
Message number: 757
Message text: You have no maintenance authorization for this table key
One or more of the key values that you entered are outside of the value
range for which you have authorization. The following fields are
affected:
&V1&
&V2&
&V3&
&V4&
The data record cannot be created.
You must either use the input help when making your entries or contact
your system administrator in order to get authorization for the value
you require.
ELSE
Authorization values for table rows are defined using the authorization
object S_TABU_LIN.
ENDIF
Error message extract from SAP system. Copyright SAP SE.
The SAP error message SV757, which states "You have no maintenance authorization for this table key," typically occurs when a user attempts to access or modify a table in the SAP system for which they do not have the necessary authorization. This can happen in various contexts, such as when trying to maintain data in a custom table or standard SAP table.
Cause: Authorization Issues: The user does not have the required authorization object to perform maintenance on the specified table. This could be due to missing roles or authorizations in their user profile. Table Locking: The table might be locked for maintenance by another user or process. Table Configuration: The table may be configured in such a way that only certain users or roles can access it.
Solution: Check User Authorizations: Use transaction code SU53 immediately after receiving the error to check which authorization object is missing. Review the user's roles and authorizations in transaction SU01 or
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
SV756 You have no row maintenance authorization for this data
What causes this issue?  Table row maintenance authorization is missing.System Response  You cannot access the data.How to fix this error?  Get the mi...
SV755 You have no row display authorization for this data
What causes this issue?  Table row display authorization is missing.System Response  You cannot access the data.How to fix this error?  Get the missin...
SV758 You have no display authorization for this table key
What causes this issue?  One or more of the key values that you entered are outside of the value range for which you have authorization. The following...
SV759 You are not authorized to maintain this field value.
What causes this issue?  The key value which you have entered is not in the the value range for which you are authorized.System Response  Processing i...
Click on this link to search all SAP messages.