Flow price: --
9d171e7264afbfc1b9066bea1ae35561bbbddb792250bce95480e92479c8cefe

Transaction

Hash: 9d171e7264afbfc1b9066bea1ae35561bbbddb792250bce95480e92479c8cefe
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9d171e7264afbfc1b9066bea1ae35561bbbddb792250bce95480e92479c8cefe: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:
9d171e7264afbfc1b9066bea1ae35561bbbddb792250bce95480e92479c8cefe
Status:
ERROR
Block height:
39973534
Block id:
a6fb30018c1e0a672df6ada0a7037818a511efaf8264bc2e00c92552eaa4e28e
Timestamp:
Sunday 30 October 2022 at 07:11:23 UTC
()
Proposer:
Authorizers:
Gas used:
46