Flow price: --
a35fa9ca9396e902c618319c2befd6ce64c85f615af5dcaab0905a26a11e00b6

Transaction

Hash: a35fa9ca9396e902c618319c2befd6ce64c85f615af5dcaab0905a26a11e00b6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a35fa9ca9396e902c618319c2befd6ce64c85f615af5dcaab0905a26a11e00b6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a35fa9ca9396e902c618319c2befd6ce64c85f615af5dcaab0905a26a11e00b6
Status:
ERROR
Block height:
40044422
Block id:
c3b0be6dc14394cfa7b1d32fba12822a11983dad9e6106c4ece3a424dc137e8f
Timestamp:
Monday 31 October 2022 at 11:31:14 UTC
()
Proposer:
Authorizers:
Gas used:
50