Flow price: --
c10acdf37693fa14f50b6e8e9d9c609b54507badd457f824f46c54a443e64de2

Transaction

Hash: c10acdf37693fa14f50b6e8e9d9c609b54507badd457f824f46c54a443e64de2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c10acdf37693fa14f50b6e8e9d9c609b54507badd457f824f46c54a443e64de2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c10acdf37693fa14f50b6e8e9d9c609b54507badd457f824f46c54a443e64de2
Status:
ERROR
Block height:
40115174
Block id:
546362ac7dc01e984793a62aa0f67d6ff3ba6b8617700c544561fab18f26a0f8
Timestamp:
Tuesday 1 November 2022 at 16:03:39 UTC
()
Proposer:
Authorizers:
Gas used:
48