Message type: E = Error
Message class:  /ATL/CASHIR -  
Message number: 226
Message text: Enter a latest end date
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 /ATL/CASHIR226 Enter a latest end date typically occurs in the context of cash management or liquidity planning within the SAP system. This error indicates that the system requires a valid end date for a cash flow or liquidity item, and the date provided is either missing or not valid.
Cause: Missing End Date: The end date for a cash flow item has not been entered. Invalid Date Format: The date entered may not be in the correct format or may not be recognized by the system. Date Out of Range: The end date provided may be earlier than the start date or outside the acceptable range defined in the system.
Configuration Issues: There may be configuration settings in the cash management module that require specific date entries.
Solution: Enter a Valid End Date: Ensure that you enter a valid end date that is later than the start date and within the acceptable range. Check
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/ATL/CASHIR225 Enter an earliest start date
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/ATL/CASHIR224 No difference cashier number is defined
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/ATL/CASHIR227 The range of dates is invalid
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/ATL/CASHIR228 Code bank is required
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.