Flow price: --
f3d4cdee4e4a07f5689f5e822951251da2e668f1a5d7fb4c7aac2ddcdab32339

Transaction

Hash: f3d4cdee4e4a07f5689f5e822951251da2e668f1a5d7fb4c7aac2ddcdab32339
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:
  --> f3d4cdee4e4a07f5689f5e822951251da2e668f1a5d7fb4c7aac2ddcdab32339:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
f3d4cdee4e4a07f5689f5e822951251da2e668f1a5d7fb4c7aac2ddcdab32339
Status:
ERROR
Block height:
40464961
Block id:
1dcb138936060e1adc57addaf4c6043c8d86c75cdb88ea5b0ab25b201e17755b
Timestamp:
Monday 7 November 2022 at 13:00:23 UTC
()
Proposer:
Authorizers:
Gas used:
26