Flow price: --
f0eb9456bfcb55101e6d9ddfcfdadbeca7a6e35eed776d9a538b6c41e7ab4710

Transaction

Hash: f0eb9456bfcb55101e6d9ddfcfdadbeca7a6e35eed776d9a538b6c41e7ab4710
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f0eb9456bfcb55101e6d9ddfcfdadbeca7a6e35eed776d9a538b6c41e7ab4710:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f0eb9456bfcb55101e6d9ddfcfdadbeca7a6e35eed776d9a538b6c41e7ab4710
Status:
ERROR
Block height:
39909068
Block id:
147ca43cb69b2c72348bab83a41c3f17c15e494f5c32315d93161da2aecd2f4d
Timestamp:
Saturday 29 October 2022 at 05:23:14 UTC
()
Proposer:
Authorizers:
Gas used:
46