Flow price: --
6fe68b3bd24a2ce6ed1707a7b9e0da24bbcba7874b4c6e20d4d1e3647be40d87

Transaction

Hash: 6fe68b3bd24a2ce6ed1707a7b9e0da24bbcba7874b4c6e20d4d1e3647be40d87
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6fe68b3bd24a2ce6ed1707a7b9e0da24bbcba7874b4c6e20d4d1e3647be40d87:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6fe68b3bd24a2ce6ed1707a7b9e0da24bbcba7874b4c6e20d4d1e3647be40d87
Status:
ERROR
Block height:
39843573
Block id:
688d18c553a800392d3b8999e45d224b173f3e48f40ae674ce4e8153a9043887
Timestamp:
Friday 28 October 2022 at 03:10:28 UTC
()
Proposer:
Authorizers:
Gas used:
48