How to fix the 'Liquid error: Unknown operator !=blank' on my website?

Store Design
1

Hello everyone I have a problem on my website it says Liquid error: Unknown operator !=blank

Anyone konw how to fix it ?

My website → https://applicehoo.com

2

Hi @KamilDziuba
Can you share the store access, then we can help you check and fix the problem.

3

Hi thanks for reply. I granted you access