Flow price: --
0776a473d8f3c397f937c41acb6ef4dc1b8f296f83ca55de23c1da748af183dd

Transaction

Hash: 0776a473d8f3c397f937c41acb6ef4dc1b8f296f83ca55de23c1da748af183dd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0776a473d8f3c397f937c41acb6ef4dc1b8f296f83ca55de23c1da748af183dd: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:
0776a473d8f3c397f937c41acb6ef4dc1b8f296f83ca55de23c1da748af183dd
Status:
ERROR
Block height:
39800148
Block id:
3376d2855db2dccba8d8d461583c14625be1b37f2a8e1fa31f0effbe56933ae2
Timestamp:
Thursday 27 October 2022 at 09:39:11 UTC
()
Proposer:
Authorizers:
Gas used:
48