Flow price: --
e877479a87ef92262e1a18b154819fc213706874c16c4b7648b3a6f6f651b2d8

Transaction

Hash: e877479a87ef92262e1a18b154819fc213706874c16c4b7648b3a6f6f651b2d8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e877479a87ef92262e1a18b154819fc213706874c16c4b7648b3a6f6f651b2d8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e877479a87ef92262e1a18b154819fc213706874c16c4b7648b3a6f6f651b2d8
Status:
ERROR
Block height:
39935441
Block id:
8e67d5d7f7e0be102a0a9c7d7950499cfc373ffaed04f89821f57c9007982415
Timestamp:
Saturday 29 October 2022 at 16:01:45 UTC
()
Proposer:
Authorizers:
Gas used:
46