Flow price: --
5f42d0ef9abf774b039ea174b7f667e0763ec0e06519c92d6c13a79b1163cfd9

Transaction

Hash: 5f42d0ef9abf774b039ea174b7f667e0763ec0e06519c92d6c13a79b1163cfd9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5f42d0ef9abf774b039ea174b7f667e0763ec0e06519c92d6c13a79b1163cfd9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5f42d0ef9abf774b039ea174b7f667e0763ec0e06519c92d6c13a79b1163cfd9
Status:
ERROR
Block height:
39989499
Block id:
d0ae7e15017fa32751480d0da2b4fe15e4792ba152f15a98362086bcae533367
Timestamp:
Sunday 30 October 2022 at 13:33:50 UTC
()
Proposer:
Authorizers:
Gas used:
48