Flow price: --
b65e05178b1965819320d6742736343f96ca2ddaa31a3d3f9d3be9cfc03e912c

Transaction

Hash: b65e05178b1965819320d6742736343f96ca2ddaa31a3d3f9d3be9cfc03e912c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b65e05178b1965819320d6742736343f96ca2ddaa31a3d3f9d3be9cfc03e912c: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:
b65e05178b1965819320d6742736343f96ca2ddaa31a3d3f9d3be9cfc03e912c
Status:
ERROR
Block height:
39911896
Block id:
e19888d6d31543f1d6197017c06381310ec7dbcd7e318acee0a14d403f82584f
Timestamp:
Saturday 29 October 2022 at 06:31:36 UTC
()
Proposer:
Authorizers:
Gas used:
46