Flow price: --
f952c464a818062207729dbc6e0b7f06ce8cd76139e7720d9e173ebeef953a1f

Transaction

Hash: f952c464a818062207729dbc6e0b7f06ce8cd76139e7720d9e173ebeef953a1f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f952c464a818062207729dbc6e0b7f06ce8cd76139e7720d9e173ebeef953a1f: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:
f952c464a818062207729dbc6e0b7f06ce8cd76139e7720d9e173ebeef953a1f
Status:
ERROR
Block height:
40050074
Block id:
86ff2cc456768f6a12f27df00321b6a941fd52c6d8549bbbecce3c8b8ff3b1ed
Timestamp:
Monday 31 October 2022 at 13:47:43 UTC
()
Proposer:
Authorizers:
Gas used:
47