Flow price: --
a7af258c0e6ce8489597f818fae236a35b24ebef9e31f781a19b67a84c4dd394

Transaction

Hash: a7af258c0e6ce8489597f818fae236a35b24ebef9e31f781a19b67a84c4dd394
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a7af258c0e6ce8489597f818fae236a35b24ebef9e31f781a19b67a84c4dd394:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a7af258c0e6ce8489597f818fae236a35b24ebef9e31f781a19b67a84c4dd394
Status:
ERROR
Block height:
39879284
Block id:
e0c76580e30dc5d1ce4e997bf3aeed490b92fd1969ff81eba4c7af145be8d979
Timestamp:
Friday 28 October 2022 at 17:31:59 UTC
()
Proposer:
Authorizers:
Gas used:
50