Flow price: --
b83ea6ec9c95cb1678d2200326c2f98897901fe6d200ea6eda5a5597b3e865ec

Transaction

Hash: b83ea6ec9c95cb1678d2200326c2f98897901fe6d200ea6eda5a5597b3e865ec
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b83ea6ec9c95cb1678d2200326c2f98897901fe6d200ea6eda5a5597b3e865ec: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:
b83ea6ec9c95cb1678d2200326c2f98897901fe6d200ea6eda5a5597b3e865ec
Status:
ERROR
Block height:
39895250
Block id:
609a3e346c0e70a153f340dcd6ed7ac8c6ac90ec5d64960997ff5225614c9d5d
Timestamp:
Friday 28 October 2022 at 23:52:24 UTC
()
Proposer:
Authorizers:
Gas used:
46