Flow price: --
725e4e74d71e04ef7ad93b0e421a3e85e116bf7cfefa3551ed7c74373d9d2fcf

Transaction

Hash: 725e4e74d71e04ef7ad93b0e421a3e85e116bf7cfefa3551ed7c74373d9d2fcf
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 725e4e74d71e04ef7ad93b0e421a3e85e116bf7cfefa3551ed7c74373d9d2fcf: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:
725e4e74d71e04ef7ad93b0e421a3e85e116bf7cfefa3551ed7c74373d9d2fcf
Status:
ERROR
Block height:
39913785
Block id:
a2646f993ce4d01e9fc4cbf748d7f1d19c58f0784f4b2ceaa9453be5bf29e515
Timestamp:
Saturday 29 October 2022 at 07:17:16 UTC
()
Proposer:
Authorizers:
Gas used:
49