Being a web-based, there are a few characters that can effect the operation of how your browser interacts with some database functions and commands. Using an ampersand (&), a single quote ( ' ), a plus sign (+), or the pound (#) sign in an Account ID, Account Name, or Contact Name field will often generate an error when trying to either create a new note or edit an existing note.
The error message you receive will be similar to the one below:
If your receive this error, simply select one of your Views, then select the Contact or Account you were trying to add or edit the note for, and remove the ampersand, quote, or pound sign. Then, try adding or editing the note again.
Changes are being made to eliminate this limitation in future upgrades.