Flow price: --
f26ba2c80fd8f59bd8888a13c323fedb6a1093b848215d03e57bb9d5a7c0c656

Transaction

Hash: f26ba2c80fd8f59bd8888a13c323fedb6a1093b848215d03e57bb9d5a7c0c656
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f26ba2c80fd8f59bd8888a13c323fedb6a1093b848215d03e57bb9d5a7c0c656:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f26ba2c80fd8f59bd8888a13c323fedb6a1093b848215d03e57bb9d5a7c0c656
Status:
ERROR
Block height:
39754896
Block id:
c308b3c7731a289260a6439504268248782e2ef22e6da4ea8d6978a6d7bdf985
Timestamp:
Wednesday 26 October 2022 at 15:24:37 UTC
()
Proposer:
Authorizers:
Gas used:
48