Flow price: --
5fcc2a6fdbe8468084fe9171bdd7d936844f4e4cc51fb1e1980e658a2130699c

Transaction

Hash: 5fcc2a6fdbe8468084fe9171bdd7d936844f4e4cc51fb1e1980e658a2130699c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5fcc2a6fdbe8468084fe9171bdd7d936844f4e4cc51fb1e1980e658a2130699c: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:
5fcc2a6fdbe8468084fe9171bdd7d936844f4e4cc51fb1e1980e658a2130699c
Status:
ERROR
Block height:
39997090
Block id:
2959b11624cf0989b8a57ce5f1f31df289d8090d641cf832c39de41cb6e3bc38
Timestamp:
Sunday 30 October 2022 at 16:35:59 UTC
()
Proposer:
Authorizers:
Gas used:
46