Flow price: --
f0c80add52d5ec974d7b7f3509108aba9a28f89650ff49f41c411266e0b8a063

Transaction

Hash: f0c80add52d5ec974d7b7f3509108aba9a28f89650ff49f41c411266e0b8a063
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f0c80add52d5ec974d7b7f3509108aba9a28f89650ff49f41c411266e0b8a063:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f0c80add52d5ec974d7b7f3509108aba9a28f89650ff49f41c411266e0b8a063
Status:
ERROR
Block height:
40162702
Block id:
03ec79917caf0e32fff09140fcccfea95d49705d25ff2c58056fdc45cf14d1d4
Timestamp:
Wednesday 2 November 2022 at 11:24:22 UTC
()
Proposer:
Authorizers:
Gas used:
50