Flow price: --
b0c23adac87c427da64b3c5e9ac63d6a13e77a4667a900905798e548fb51eee2

Transaction

Hash: b0c23adac87c427da64b3c5e9ac63d6a13e77a4667a900905798e548fb51eee2
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:
  --> b0c23adac87c427da64b3c5e9ac63d6a13e77a4667a900905798e548fb51eee2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
b0c23adac87c427da64b3c5e9ac63d6a13e77a4667a900905798e548fb51eee2
Status:
ERROR
Block height:
40176198
Block id:
7d7cd7a859dddb0f9c8d84849b63bb14781282d7663a82bb47ec5a9c1fed17e1
Timestamp:
Wednesday 2 November 2022 at 18:23:36 UTC
()
Proposer:
Authorizers:
Gas used:
23