Flow price: --
efa8c01f599fe2a1994e8b65f614dfd6ec43faa9bd4c5452545c38f23a695ee4

Transaction

Hash: efa8c01f599fe2a1994e8b65f614dfd6ec43faa9bd4c5452545c38f23a695ee4
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:
  --> efa8c01f599fe2a1994e8b65f614dfd6ec43faa9bd4c5452545c38f23a695ee4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
efa8c01f599fe2a1994e8b65f614dfd6ec43faa9bd4c5452545c38f23a695ee4
Status:
ERROR
Block height:
40453436
Block id:
2ef4e126244e168920c20a4b9b4f6243589d006dd8599d14ae49816389db2b24
Timestamp:
Monday 7 November 2022 at 08:18:59 UTC
()
Proposer:
Authorizers:
Gas used:
31