Flow price: --
fd206466214e5c68d5ba381bbeebaee769a5851a87c15a785a0af7b729bf79f6

Transaction

Hash: fd206466214e5c68d5ba381bbeebaee769a5851a87c15a785a0af7b729bf79f6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fd206466214e5c68d5ba381bbeebaee769a5851a87c15a785a0af7b729bf79f6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
fd206466214e5c68d5ba381bbeebaee769a5851a87c15a785a0af7b729bf79f6
Status:
ERROR
Block height:
39908695
Block id:
3014afc20d34613b187a3d807dafe3c28339b9e9df964a6ef5a82ab6d6052b89
Timestamp:
Saturday 29 October 2022 at 05:14:33 UTC
()
Proposer:
Authorizers:
Gas used:
50