Cell editing

[NikitaLukashuk1]

I'm trying to modify cell, regarding to docs , via valueSetter, but the data object from callback argument Is freezed and I can't modify the data.
that error I get in console
TypeError: Cannot assign to read only property 'extDealName' of object '#'

[AG-Zoheil]

Hi

Thank you for reporting this.

We'd be happy to look into this, but the most efficient way for us to do so would be for you to provide a live example reproducing the issue.

Please send us a live plunker sample which shows the issue. You can use one of the examples from our website as a starting point. Do let us know if you need further guidance on this.

We're looking forward to your response.

Kind regards,
Zoheil