Flow price: --
f923de1f640108d5daf7242d3913ae395375fdcca766ca02a3f1c91d883fb447

Transaction

Hash: f923de1f640108d5daf7242d3913ae395375fdcca766ca02a3f1c91d883fb447
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f923de1f640108d5daf7242d3913ae395375fdcca766ca02a3f1c91d883fb447:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f923de1f640108d5daf7242d3913ae395375fdcca766ca02a3f1c91d883fb447
Status:
ERROR
Block height:
39848964
Block id:
3cd78cd4fd9101546f2f485660ed10fd3d5c4e45ec02910d1b9da1b7c530f847
Timestamp:
Friday 28 October 2022 at 05:20:34 UTC
()
Proposer:
Authorizers:
Gas used:
46