
Character number is greater than allowed
You have tried to enter a value with number of characters greater than allowed for the specific field.
Example
In the Sales Quotation window, you have typed in the Name field, a customer name that is longer than 100 characters (including spaces).
To be able to know how many characters are allowed in a specific field, from the View menu, choose System Information, then hover with the mouse on the required field. The number of allowed characters appears on the left side of the status bar.