Message type: E = Error
Message class:  CNV_INDX - Messages for conversion of INDX-like tables 
Message number: 259
Message text: Wrong component structure
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.
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.
The SAP error message CNV_INDX259 "Wrong component structure" typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or during the execution of specific programs related to data conversion. This error indicates that there is a mismatch or inconsistency in the expected structure of the data components being processed. Causes: Data Structure Mismatch: The structure of the data being imported or processed does not match the expected structure defined in the target system. This could be due to changes in the data model or incorrect mapping of fields. Incorrect Configuration: The configuration settings for the data migration process may not align with the source or target system's requirements. Version Incompatibility: The version of the data migration tool or the source data may not be compatible with the target system. Missing Fields: Required fields in the target structure may be missing from the source data, leading to a structural mismatch. Solutions: Check Data
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_INDX258 Incorrect component type
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_INDX257 Unknown INDX component
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_INDX260 Failed to read directory in &1 (&2 times); see link
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_INDX261 Failed to read directory
What causes this issue?  It was impossible to obtain directory from data in table &V1& (RELID &V2&, key &V4&). This usually me...
Click on this link to search all SAP messages.