Flow price: --
974d4e66b5a74f722cb4a3c7ea210bcfea36e5ca7d18417c305b1695a806ce32

Transaction

Hash: 974d4e66b5a74f722cb4a3c7ea210bcfea36e5ca7d18417c305b1695a806ce32
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 974d4e66b5a74f722cb4a3c7ea210bcfea36e5ca7d18417c305b1695a806ce32:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
974d4e66b5a74f722cb4a3c7ea210bcfea36e5ca7d18417c305b1695a806ce32
Status:
ERROR
Block height:
40095908
Block id:
96d4071d17bcac8c7d76c090b99f3051f0bcdbe4861c1ef47e928e1d0a5cdb95
Timestamp:
Tuesday 1 November 2022 at 08:15:48 UTC
()
Proposer:
Authorizers:
Gas used:
46