Flow price: --
791abde7bbb88df87b0be62e45e9131eaa593f1b7e2ea0e8ecbbddf623385b92

Transaction

Hash: 791abde7bbb88df87b0be62e45e9131eaa593f1b7e2ea0e8ecbbddf623385b92
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 791abde7bbb88df87b0be62e45e9131eaa593f1b7e2ea0e8ecbbddf623385b92:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
791abde7bbb88df87b0be62e45e9131eaa593f1b7e2ea0e8ecbbddf623385b92
Status:
ERROR
Block height:
40037688
Block id:
ddb471823fa593b290fc4994cf4d9ff4e360a1fe552461acbe2b3067e05b9751
Timestamp:
Monday 31 October 2022 at 08:47:43 UTC
()
Proposer:
Authorizers:
Gas used:
62