Flow price: --
d7e92e4aacea74856433fbf9167e93d8244e46b3d0816a3f90aa5ae2755d7328

Transaction

Hash: d7e92e4aacea74856433fbf9167e93d8244e46b3d0816a3f90aa5ae2755d7328
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d7e92e4aacea74856433fbf9167e93d8244e46b3d0816a3f90aa5ae2755d7328:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d7e92e4aacea74856433fbf9167e93d8244e46b3d0816a3f90aa5ae2755d7328
Status:
ERROR
Block height:
39793860
Block id:
d9b6e1cf6ce15c45efd6a2aa4b60e19ebd4bf9a95d8fa5e85a367dd6960f9a6a
Timestamp:
Thursday 27 October 2022 at 07:06:44 UTC
()
Proposer:
Authorizers:
Gas used:
50