Error: cannot estimate gas

[amiremohamadi]

when i submit my proof i get this error in the console tab of my browser:

Error: cannot estimate gas; transaction may fail or may require manual gas limit [ See: https://links.ethers.org/v5-errors-UNPREDICTABLE_GAS_LIMIT ] (reason="execution reverted: Invalid signature", method="estimateGas", transaction=..., code=UNPREDICTABLE_GAS_LIMIT

And in the next page, the claim button does not work.

[amiremohamadi]

there's a problem in the bash script. solved using the python script.

[amiremohamadi]

still when i click on the claim button it does not go to the next page

[Ifdevil]

thk,it works