Flow price: --
e1599a4c75fa7d52a8cce0998af3549533ff94540b24d98355a2718e0cd3718e

Transaction

Hash: e1599a4c75fa7d52a8cce0998af3549533ff94540b24d98355a2718e0cd3718e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e1599a4c75fa7d52a8cce0998af3549533ff94540b24d98355a2718e0cd3718e: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:
e1599a4c75fa7d52a8cce0998af3549533ff94540b24d98355a2718e0cd3718e
Status:
ERROR
Block height:
40016397
Block id:
eb0f886f79277a0af0fc424f039f93c04775c281b2c1388b317c104b135330d4
Timestamp:
Monday 31 October 2022 at 00:16:14 UTC
()
Proposer:
Authorizers:
Gas used:
47