Flow price: --
f136a20c51e52f82bec5fd60e3ea39b8f6e1694ee8c6d21f1743092b05d9b95b

Transaction

Hash: f136a20c51e52f82bec5fd60e3ea39b8f6e1694ee8c6d21f1743092b05d9b95b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f136a20c51e52f82bec5fd60e3ea39b8f6e1694ee8c6d21f1743092b05d9b95b:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f136a20c51e52f82bec5fd60e3ea39b8f6e1694ee8c6d21f1743092b05d9b95b
Status:
ERROR
Block height:
39870465
Block id:
93de49cbb16d1cbbf9f3adaa53ecaeb41588ca3684072f6efcd0f82ea77c1572
Timestamp:
Friday 28 October 2022 at 14:00:53 UTC
()
Proposer:
Authorizers:
Gas used:
49