Flow price: --
6ac92bcbd1b7d4eef148e1130b1a25efd5c1c0f59e4ca17e6662684ab239d475

Transaction

Hash: 6ac92bcbd1b7d4eef148e1130b1a25efd5c1c0f59e4ca17e6662684ab239d475
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6ac92bcbd1b7d4eef148e1130b1a25efd5c1c0f59e4ca17e6662684ab239d475:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6ac92bcbd1b7d4eef148e1130b1a25efd5c1c0f59e4ca17e6662684ab239d475
Status:
ERROR
Block height:
39890740
Block id:
205745cefe83f17591450dca38a7bd34cacdadfafa59861f1e95fee40fd50dea
Timestamp:
Friday 28 October 2022 at 22:05:30 UTC
()
Proposer:
Authorizers:
Gas used:
47