Flow price: --
f6b1bc622d34ad8bfd1971cd73a6113063724d8d52fbed291c38b1650691f365

Transaction

Hash: f6b1bc622d34ad8bfd1971cd73a6113063724d8d52fbed291c38b1650691f365
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f6b1bc622d34ad8bfd1971cd73a6113063724d8d52fbed291c38b1650691f365:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f6b1bc622d34ad8bfd1971cd73a6113063724d8d52fbed291c38b1650691f365
Status:
ERROR
Block height:
40068721
Block id:
a00b018f53bb61a2d0901df1e5ef1a0130eb8b2d33384b0f22945cb9018b0bd9
Timestamp:
Monday 31 October 2022 at 21:19:44 UTC
()
Proposer:
Authorizers:
Gas used:
46