Message type: E = Error
Message class:  CIAP - CIAP Message Class 
Message number: 200
Message text: There is no quantity in unrestricted stock.
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 CIAP200, which states "There is no quantity in unrestricted stock," typically occurs when you are trying to perform a transaction that requires unrestricted stock, but the system cannot find any available quantity in that stock category for the specified material.
Cause: No Unrestricted Stock: The most straightforward cause is that there is indeed no unrestricted stock available for the material in question. Stock Type: The stock might be in a different category, such as blocked stock, quality inspection stock, or in transit stock. Plant/Storage Location: The material may not have been received or may not exist in the specified plant or storage location. Inventory Management Issues: There may be discrepancies in inventory records due to recent transactions that have not been updated or posted correctly. Material Master Data: The material master data may not be set up correctly, or the material may not be active.
Solution: Check Stock Levels: Use transaction codes like MMBE
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CIAP199 Record & cannot be processed, since it is a component.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CIAP198 Record & cannot be processed, since it is an asset.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CIAP201 Record & doesn't belong to the same plant of the transfer NF.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CIAP202 You can only load a CIAP record using an incoming NF.
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.