Flow price: --
f647aad3970b5fac5e48623da5417efd402b4bd6e0a16e9066db761c7dc3886f

Transaction

Hash: f647aad3970b5fac5e48623da5417efd402b4bd6e0a16e9066db761c7dc3886f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f647aad3970b5fac5e48623da5417efd402b4bd6e0a16e9066db761c7dc3886f: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:
f647aad3970b5fac5e48623da5417efd402b4bd6e0a16e9066db761c7dc3886f
Status:
ERROR
Block height:
40039511
Block id:
e1fcafaf4d39a2f8106aedaa1ffa39553abd4b894367ffe89d06a8cbce8a296b
Timestamp:
Monday 31 October 2022 at 09:32:01 UTC
()
Proposer:
Authorizers:
Gas used:
48