Flow price: --
b985a28b2d6f3b421930af19306ddd57815748b4baac98f39cc531432ca3f21c

Transaction

Hash: b985a28b2d6f3b421930af19306ddd57815748b4baac98f39cc531432ca3f21c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b985a28b2d6f3b421930af19306ddd57815748b4baac98f39cc531432ca3f21c: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:
b985a28b2d6f3b421930af19306ddd57815748b4baac98f39cc531432ca3f21c
Status:
ERROR
Block height:
40116504
Block id:
703f585041cebd84b232e82bc820ecaa6b5d5131ad701d52da925f7a9c07fc3a
Timestamp:
Tuesday 1 November 2022 at 16:35:55 UTC
()
Proposer:
Authorizers:
Gas used:
67