Flow price: --
b5747545c9260f2f07841d8a9370a148978e2a301a42fd6a3132ef1facc5cdfc

Transaction

Hash: b5747545c9260f2f07841d8a9370a148978e2a301a42fd6a3132ef1facc5cdfc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b5747545c9260f2f07841d8a9370a148978e2a301a42fd6a3132ef1facc5cdfc: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:
b5747545c9260f2f07841d8a9370a148978e2a301a42fd6a3132ef1facc5cdfc
Status:
ERROR
Block height:
40164779
Block id:
03c3878b1112f6570d91a6972cc0534d3d53f5c4655bcbeef5f69fb92463f823
Timestamp:
Wednesday 2 November 2022 at 12:14:30 UTC
()
Proposer:
Authorizers:
Gas used:
55