Flow price: --
8171a0d333e574c90757c7d7d8a6bd96bd0ae67bf189664193265e4aa3670bb8

Transaction

Hash: 8171a0d333e574c90757c7d7d8a6bd96bd0ae67bf189664193265e4aa3670bb8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8171a0d333e574c90757c7d7d8a6bd96bd0ae67bf189664193265e4aa3670bb8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8171a0d333e574c90757c7d7d8a6bd96bd0ae67bf189664193265e4aa3670bb8
Status:
ERROR
Block height:
40111313
Block id:
2e2042125220068bedaa09e00f00a17e143abe79db3b5d8b1b4083eb988a2389
Timestamp:
Tuesday 1 November 2022 at 14:29:48 UTC
()
Proposer:
Authorizers:
Gas used:
46