Flow price: --
b71c39849da20084155012384252ff3f23b340c44bf949ec7e26d29844b914d3

Transaction

Hash: b71c39849da20084155012384252ff3f23b340c44bf949ec7e26d29844b914d3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b71c39849da20084155012384252ff3f23b340c44bf949ec7e26d29844b914d3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b71c39849da20084155012384252ff3f23b340c44bf949ec7e26d29844b914d3
Status:
ERROR
Block height:
39801064
Block id:
8a4966f616e5d988cc30ab21f643e2cd74afed55e10c2407eca3e07daab9e406
Timestamp:
Thursday 27 October 2022 at 10:00:56 UTC
()
Proposer:
Authorizers:
Gas used:
65