Flow price: --
b9fff6391bf043166827c0b429dc12b6ab36daa01fd43a5c671590546817e9fb

Transaction

Hash: b9fff6391bf043166827c0b429dc12b6ab36daa01fd43a5c671590546817e9fb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> b9fff6391bf043166827c0b429dc12b6ab36daa01fd43a5c671590546817e9fb:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
b9fff6391bf043166827c0b429dc12b6ab36daa01fd43a5c671590546817e9fb
Status:
ERROR
Block height:
40742256
Block id:
2f5a57dc992f651e52d070a80a94e70fa1c7c797cdcc3bc2ea84a8ab9f805bc3
Timestamp:
Saturday 12 November 2022 at 05:05:21 UTC
()
Proposer:
Authorizers:
Gas used:
25