What is the character limit for a Negotiation Requirement Properties Value Type 'Multiple line text'

Summary:

Hi,

When adding a requirement on a negotiation what is the character limit for a Value Type "Multiple line text" ? And can we change it ?

We have a open tender and a Supplier has fed back they have got a you have 'exceeded the character limit' for the field error.

Thanks

Content (required):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):