Flow price: --
2200109acc8b979354905218fea8031240b328dcbdf8c8f8bf638f218d5cedaa

Transaction

Hash: 2200109acc8b979354905218fea8031240b328dcbdf8c8f8bf638f218d5cedaa
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:
  --> 2200109acc8b979354905218fea8031240b328dcbdf8c8f8bf638f218d5cedaa: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:
2200109acc8b979354905218fea8031240b328dcbdf8c8f8bf638f218d5cedaa
Status:
ERROR
Block height:
40406504
Block id:
c38819a47de9f258561f5ae4d4d685af4e76ced8068a6fc5c4260b75ea89e271
Timestamp:
Sunday 6 November 2022 at 13:16:30 UTC
()
Proposer:
Authorizers:
Gas used:
22