Unable to add Note and Files in Products. Getting issue Illegal operator and value combination.

[ashishkumar-webkul]

Bug report

Title

Unable to add Note and Files in Products. Getting Warning message Illegal operator and value combination.

Issue Description

When we view product and there we can see option to add File and Note, there when I was trying to add the details I was unable to add it and also a warning message is appearing.

Preconditions

1. Admin must be logged in.
2. Atleast 1 product must be created.

Steps to reproduce

1. Go to Admin -> Products -> View Product -> Add Note and Attachment -> We can see the waring message is appearing.

Expected result

We should be able to add Comment and Attachment.

Actual result

Currently I am getting issue in adding note and attachment.