Flow price: --
6447e43bd222faf49620e1f57dcd05e9bf937f7d148259a46d46c85689f9d4d7

Transaction

Hash: 6447e43bd222faf49620e1f57dcd05e9bf937f7d148259a46d46c85689f9d4d7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6447e43bd222faf49620e1f57dcd05e9bf937f7d148259a46d46c85689f9d4d7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6447e43bd222faf49620e1f57dcd05e9bf937f7d148259a46d46c85689f9d4d7
Status:
ERROR
Block height:
39988295
Block id:
830075bf80f35dd2a42c4d7e584d82cff1ef7534fedf9b9dab3a791cf032affe
Timestamp:
Sunday 30 October 2022 at 13:04:27 UTC
()
Proposer:
Authorizers:
Gas used:
46