Flow price: --
f10127fc454ec476a450dc46919c6438a9be43fc74af114bfb61aa4e5d691f9c

Transaction

Hash: f10127fc454ec476a450dc46919c6438a9be43fc74af114bfb61aa4e5d691f9c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f10127fc454ec476a450dc46919c6438a9be43fc74af114bfb61aa4e5d691f9c: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:
f10127fc454ec476a450dc46919c6438a9be43fc74af114bfb61aa4e5d691f9c
Status:
ERROR
Block height:
40058837
Block id:
d035357ae87983c9f1c2fe2c3abe22169030325fe69b1b893ce58f6908aa8b35
Timestamp:
Monday 31 October 2022 at 17:21:39 UTC
()
Proposer:
Authorizers:
Gas used:
49