Flow price: --
60023f8d87c7919cbabdbb5903c655fb4a139445990fafc5a3433148bf7ffef9

Transaction

Hash: 60023f8d87c7919cbabdbb5903c655fb4a139445990fafc5a3433148bf7ffef9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 60023f8d87c7919cbabdbb5903c655fb4a139445990fafc5a3433148bf7ffef9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
60023f8d87c7919cbabdbb5903c655fb4a139445990fafc5a3433148bf7ffef9
Status:
ERROR
Block height:
39814835
Block id:
1f51308d2d3b3eece7ec3ceecf4710757b6f6f4990fd9a9de8cb229be100aee2
Timestamp:
Thursday 27 October 2022 at 15:35:05 UTC
()
Proposer:
Authorizers:
Gas used:
50