Flow price: --
b620f846a822741fc39ba3183af66c8d1ca9b011ff31bd4082ad8ac5ee4c2ff2

Transaction

Hash: b620f846a822741fc39ba3183af66c8d1ca9b011ff31bd4082ad8ac5ee4c2ff2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b620f846a822741fc39ba3183af66c8d1ca9b011ff31bd4082ad8ac5ee4c2ff2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b620f846a822741fc39ba3183af66c8d1ca9b011ff31bd4082ad8ac5ee4c2ff2
Status:
ERROR
Block height:
40151126
Block id:
d874b5dfc6178aa4fd25c283a53d398f658cf198400b3288512cdbdadcca27c6
Timestamp:
Wednesday 2 November 2022 at 06:41:51 UTC
()
Proposer:
Authorizers:
Gas used:
49