Flow price: --
0c45e21f4c8bdbee1954960fb9c323f2393cb2192f17a82e0f000e9dc2a3871c

Transaction

Hash: 0c45e21f4c8bdbee1954960fb9c323f2393cb2192f17a82e0f000e9dc2a3871c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0c45e21f4c8bdbee1954960fb9c323f2393cb2192f17a82e0f000e9dc2a3871c: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:
0c45e21f4c8bdbee1954960fb9c323f2393cb2192f17a82e0f000e9dc2a3871c
Status:
ERROR
Block height:
39780382
Block id:
bb4f9413708a08f2afefc6ab702ed28c578dfe5cfba83ec654edf11d7296bc62
Timestamp:
Thursday 27 October 2022 at 01:41:04 UTC
()
Proposer:
Authorizers:
Gas used:
48