Flow price: --
d9f09e73c5e5455143b53ec8063723a33d502985ef5dcd273d2f9d057ce714e8

Transaction

Hash: d9f09e73c5e5455143b53ec8063723a33d502985ef5dcd273d2f9d057ce714e8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d9f09e73c5e5455143b53ec8063723a33d502985ef5dcd273d2f9d057ce714e8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d9f09e73c5e5455143b53ec8063723a33d502985ef5dcd273d2f9d057ce714e8
Status:
ERROR
Block height:
40085472
Block id:
350709137ea311cf09678cdd8a6bfdb47e26d329596f27a036add7a99396e445
Timestamp:
Tuesday 1 November 2022 at 04:00:57 UTC
()
Proposer:
Authorizers:
Gas used:
49