Flow price: --
23cfa571f715b3f7c54ddbb4de4d7fe89b3f396a88f7f087ed120f1b39e2a8b9

Transaction

Hash: 23cfa571f715b3f7c54ddbb4de4d7fe89b3f396a88f7f087ed120f1b39e2a8b9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 23cfa571f715b3f7c54ddbb4de4d7fe89b3f396a88f7f087ed120f1b39e2a8b9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
23cfa571f715b3f7c54ddbb4de4d7fe89b3f396a88f7f087ed120f1b39e2a8b9
Status:
ERROR
Block height:
39945554
Block id:
317c213cb41dc376791431fd61d92d51107db923c95e539ecfe93d656f7dfe7e
Timestamp:
Saturday 29 October 2022 at 20:04:42 UTC
()
Proposer:
Authorizers:
Gas used:
47