Flow price: --
41b6bbc5d68d91ccee0c1e2842a8e3befe72f93f9eb29de29054e20cef118d7f

Transaction

Hash: 41b6bbc5d68d91ccee0c1e2842a8e3befe72f93f9eb29de29054e20cef118d7f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 41b6bbc5d68d91ccee0c1e2842a8e3befe72f93f9eb29de29054e20cef118d7f: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:
41b6bbc5d68d91ccee0c1e2842a8e3befe72f93f9eb29de29054e20cef118d7f
Status:
ERROR
Block height:
40038462
Block id:
e031a46244756869b39aea235348e587c938baf458be389ec69d83618e81d127
Timestamp:
Monday 31 October 2022 at 09:06:57 UTC
()
Proposer:
Authorizers:
Gas used:
46