Flow price: --
763c9162e086cecf5764ab67831bfe1f59f59ef2c148a06ecf1cf76c91d034cb

Transaction

Hash: 763c9162e086cecf5764ab67831bfe1f59f59ef2c148a06ecf1cf76c91d034cb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 763c9162e086cecf5764ab67831bfe1f59f59ef2c148a06ecf1cf76c91d034cb: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:
763c9162e086cecf5764ab67831bfe1f59f59ef2c148a06ecf1cf76c91d034cb
Status:
ERROR
Block height:
39874701
Block id:
b8a8deaeab8a5167c237cd562993a233da449889337c5d941964d82c218fa6a9
Timestamp:
Friday 28 October 2022 at 15:42:49 UTC
()
Proposer:
Authorizers:
Gas used:
47