Flow price: --
b9ceffde3af6642c990b02cb5e337439e26d2bd2336ba9cb94e32c3a9775defd

Transaction

Hash: b9ceffde3af6642c990b02cb5e337439e26d2bd2336ba9cb94e32c3a9775defd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b9ceffde3af6642c990b02cb5e337439e26d2bd2336ba9cb94e32c3a9775defd: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:
b9ceffde3af6642c990b02cb5e337439e26d2bd2336ba9cb94e32c3a9775defd
Status:
ERROR
Block height:
39748159
Block id:
d91ea7ea837e079c177718be6751906eb1905be87e4cdfc38fb23b9e349e579d
Timestamp:
Wednesday 26 October 2022 at 12:42:46 UTC
()
Proposer:
Authorizers:
Gas used:
46