Estimate gas error keeps happening since new version 8.1.1-rc.2

[2025-07-02 13:18:57] WARN: [publishFinalizationCommand] (Command ID: b71433b8-71c8-4a49-8432-c9f651b1e9bc) Error in command: publishFinalizationCommand, error: Cannot read properties of null (reading 'from')
[2025-07-02 13:18:57] ERROR: [publishFinalizationCommand] (Command ID: b71433b8-71c8-4a49-8432-c9f651b1e9bc) Command error (StoreAssertionError): Cannot read properties of null (reading 'from')
[2025-07-02 13:18:57] WARN: Unable to decode estimate gas error: Error: Gas estimation for createChallenge() has failed, reason: cannot estimate gas; transaction may fail or may require manual gas limit [ See: https://links.ethers.org/v5-errors-UNPREDICTABLE_GAS_LIMIT ] (method="estimateGas", transaction={"from":"0xb30aA84a185995DE91Df7e8C8F08BCF6f5c59C95","to":"0x04498d3e5De9689c519A6904E9C91223531BE6f2","data":"0x1cd821eb","accessList":null}, code=UNPREDICTABLE_GAS_LIMIT, version=providers/5.8.0)
[2025-07-02 13:18:57] ERROR: [PROOFING] Failed to prepare and send proof for blockchain: otp:2043, challengeId: 263. Error: Error: cannot estimate gas; transaction may fail or may require manual gas limit [ See: https://links.ethers.org/v5-errors-UNPREDICTABLE_GAS_LIMIT ] (method="estimateGas", transaction={"from":"0xb30aA84a185995DE91Df7e8C8F08BCF6f5c59C95","to":"0x04498d3e5De9689c519A6904E9C91223531BE6f2","data":"0x1cd821eb","accessList":null}, code=UNPREDICTABLE_GAS_LIMIT, version=providers/5.8.0), stack: Error: Error: cannot estimate gas; transaction may fail or may require manual gas limit [ See: https://links.ethers.org/v5-errors-UNPREDICTABLE_GAS_LIMIT ] (method="estimateGas", transaction={"from":"0xb30aA84a185995DE91Df7e8C8F08BCF6f5c59C95","to":"0x04498d3e5De9689c519A6904E9C91223531BE6f2","data":"0x1cd821eb","accessList":null}, code=UNPREDICTABLE_GAS_LIMIT, version=providers/5.8.0)
[2025-07-02 13:18:57] ERROR: [PROOFING] Error in initial proofing run for otp:2043: Error: cannot estimate gas; transaction may fail or may require manual gas limit [ See: https://links.ethers.org/v5-errors-UNPREDICTABLE_GAS_LIMIT ] (method="estimateGas", transaction={"from":"0xb30aA84a185995DE91Df7e8C8F08BCF6f5c59C95","to":"0x04498d3e5De9689c519A6904E9C91223531BE6f2","data":"0x1cd821eb","accessList":null}, code=UNPREDICTABLE_GAS_LIMIT, version=providers/5.8.0), stack: Error: Error: cannot estimate gas; transaction may fail or may require manual gas limit [ See: https://links.ethers.org/v5-errors-UNPREDICTABLE_GAS_LIMIT ] (method="estimateGas", transaction={"from":"0xb30aA84a185995DE91Df7e8C8F08BCF6f5c59C95","to":"0x04498d3e5De9689c519A6904E9C91223531BE6f2","data":"0x1cd821eb","accessList":null}, code=UNPREDICTABLE_GAS_LIMIT, version=providers/5.8.0)
[2025-07-02 13:18:57] DEBUG: createChallenge() estimateGas has failed; Error: An unsolved challenge already exists for this node in the current proof period; RPC: https://astrosat-2.origintrail.network/.