Message type: E = Error
Message class:  RSO_RES_ADSO - Datastore Object 
Message number: 201
Message text: Unit/curr. field &1 for field &2 has wrong data type/length: &3, &4
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 RSO_RES_ADSO201 typically occurs in the context of SAP BW (Business Warehouse) when working with Advanced DataStore Objects (ADSO). This error indicates that there is a mismatch in the data type or length of a field in the ADSO definition compared to what is expected or defined in the source data.
Cause: Data Type Mismatch: The field in the source data may have a different data type than what is defined in the ADSO. For example, if the ADSO expects a character field but the source data provides a numeric field, this error can occur. Length Mismatch: The length of the field in the source data may exceed the length defined in the ADSO. For instance, if the ADSO defines a field as having a maximum length of 10 characters, but the source data provides a string of 15 characters, this will trigger the error. Incorrect Mapping: During the data modeling
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
RSO_RES_ADSO200 Objects of type '&1' cannot be used as template
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSO_RES_ADSO198 Activation not possible; semantic group specification has been changed
What causes this issue?  The DataStore object (advanced) belongs to a "semantic group". At least one of the properties of this object, which...
RSO_RES_ADSO202 Field &1, used as unit/currency field for field &2, could not be found
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSO_RES_ADSO203 Characteristic &1 has been added to key because of compounding with &2
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.