Flow price: --
cb5b8143eb205e74b8f88545d6dc85ca08da7a4f08e4ab8d7c3f9033323b8ec5

Transaction

Hash: cb5b8143eb205e74b8f88545d6dc85ca08da7a4f08e4ab8d7c3f9033323b8ec5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cb5b8143eb205e74b8f88545d6dc85ca08da7a4f08e4ab8d7c3f9033323b8ec5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cb5b8143eb205e74b8f88545d6dc85ca08da7a4f08e4ab8d7c3f9033323b8ec5
Status:
ERROR
Block height:
40105235
Block id:
3c8c79c041a283a9d5c600b5b509ab3815d987e300ac5b8d40050eccd9eaaeb9
Timestamp:
Tuesday 1 November 2022 at 12:02:28 UTC
()
Proposer:
Authorizers:
Gas used:
49