Flow price: --
b5a6e1eda8e3d1d5fb444aa670ef5a10cf72cfe279340f052e66afd4e6cce5de

Transaction

Hash: b5a6e1eda8e3d1d5fb444aa670ef5a10cf72cfe279340f052e66afd4e6cce5de
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b5a6e1eda8e3d1d5fb444aa670ef5a10cf72cfe279340f052e66afd4e6cce5de: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:
b5a6e1eda8e3d1d5fb444aa670ef5a10cf72cfe279340f052e66afd4e6cce5de
Status:
ERROR
Block height:
39754371
Block id:
c0e0fba19235e8ee4cac9a4be900f334396e2dc19f71bf04d4961b36133262e1
Timestamp:
Wednesday 26 October 2022 at 15:12:12 UTC
()
Proposer:
Authorizers:
Gas used:
48