Flow price: --
8c58651bff117b4e4c91bc34bbcfb4009156bc39a36f769d7e24887cef76c763

Transaction

Hash: 8c58651bff117b4e4c91bc34bbcfb4009156bc39a36f769d7e24887cef76c763
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8c58651bff117b4e4c91bc34bbcfb4009156bc39a36f769d7e24887cef76c763:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8c58651bff117b4e4c91bc34bbcfb4009156bc39a36f769d7e24887cef76c763
Status:
ERROR
Block height:
40154336
Block id:
27622a3075d76793ca41f4371d9c08bba31ca495ce13e05cc9c1571e62085301
Timestamp:
Wednesday 2 November 2022 at 08:00:23 UTC
()
Proposer:
Authorizers:
Gas used:
47