Message type: E = Error
Message class:  RSODSO_GUI - UI related messages 
Message number: 022
Message text: Row &1: Data type not specified
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 RSODSO_GUI022, which states "Row &1: Data type not specified," typically occurs in the context of SAP BW (Business Warehouse) when working with DataStore Objects (DSOs) or during data loading processes. This error indicates that there is a missing or undefined data type for a specific row in the data being processed.
Cause: Missing Data Type Definition: The error usually arises when the data being loaded into the DSO does not have a defined data type for one or more fields. This can happen if the source data structure does not match the target DSO structure. Incorrect Mapping: If the mapping between the source and target fields is not correctly defined, it can lead to this error. Data Quality Issues: The source data may contain null or invalid values that do not conform to the expected data types in the DSO.
Solution: Check DSO Structure: Verify the structure of the DSO to ensure
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
RSODSO_GUI021 Row &1: Data type &2 is not supported. Choose a valid data type.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSODSO_GUI020 Index field &1 of index &2 does not exist any more. Index adjusted.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSODSO_GUI023 Row &1: Length not specified
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSODSO_GUI024 Template based on fields not valid for DataStore based on InfoObjects
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.