Flow price: --
440b932c43f4edae6fe304455aa5fcd6f6e752c6476b97f89e6d1589bc05b453

Transaction

Hash: 440b932c43f4edae6fe304455aa5fcd6f6e752c6476b97f89e6d1589bc05b453
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 440b932c43f4edae6fe304455aa5fcd6f6e752c6476b97f89e6d1589bc05b453:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
440b932c43f4edae6fe304455aa5fcd6f6e752c6476b97f89e6d1589bc05b453
Status:
ERROR
Block height:
40029811
Block id:
cf9c5042b9cd503453478c7eb73dfd64c1805ea7bb7977bc733a7253537761f4
Timestamp:
Monday 31 October 2022 at 05:38:49 UTC
()
Proposer:
Authorizers:
Gas used:
50