Flow price: --
f81012463fc8ee936f04a9eddf06753dc1c79aa1aef24ad35cc11c5dc870c19b

Transaction

Hash: f81012463fc8ee936f04a9eddf06753dc1c79aa1aef24ad35cc11c5dc870c19b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f81012463fc8ee936f04a9eddf06753dc1c79aa1aef24ad35cc11c5dc870c19b: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:
f81012463fc8ee936f04a9eddf06753dc1c79aa1aef24ad35cc11c5dc870c19b
Status:
ERROR
Block height:
39847364
Block id:
9f07c5d3931f106af4e1e53162e2e9ee71bd8f30ecca8d3bdc552566188bd2c9
Timestamp:
Friday 28 October 2022 at 04:41:50 UTC
()
Proposer:
Authorizers:
Gas used:
46