Flow price: --
904c4c4149e205d08676c9f49f4dde18474851b41b212c31254ab75138060693

Transaction

Hash: 904c4c4149e205d08676c9f49f4dde18474851b41b212c31254ab75138060693
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 904c4c4149e205d08676c9f49f4dde18474851b41b212c31254ab75138060693:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
904c4c4149e205d08676c9f49f4dde18474851b41b212c31254ab75138060693
Status:
ERROR
Block height:
39937000
Block id:
d4103ade03dd69432dea3b1e6c990164f941b6c2f0ad1bb428788fc4cdcf8544
Timestamp:
Saturday 29 October 2022 at 16:39:21 UTC
()
Proposer:
Authorizers:
Gas used:
47