Cannot read property 'fieldId' of undefined error in form last step

There no error showing in multi step gravity form except in last step, where it show showing error like “Uncaught TypeError: Cannot read property ‘fieldId’ of undefined”. Follow every procedure of form setup. Using gravity form 2.5.2 in wordpres version 5.7.

Hi Ujjwal. I recommend first updating to the very latest interim release available here:

You can use these instructions to manually update:

If the issue persists after updating, I recommend opening a support ticket here:

Thank you.