Flow price: --
1ff4163c3a0af93ceb453fb5622281a34dc6d822054f62ae00c2a640b6a5eeee

Transaction

Hash: 1ff4163c3a0af93ceb453fb5622281a34dc6d822054f62ae00c2a640b6a5eeee
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1ff4163c3a0af93ceb453fb5622281a34dc6d822054f62ae00c2a640b6a5eeee: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:
1ff4163c3a0af93ceb453fb5622281a34dc6d822054f62ae00c2a640b6a5eeee
Status:
ERROR
Block height:
39972519
Block id:
d58e5bd4961a609412c03484813fe1f4b72fe117d1b4084a76f32d64c701be38
Timestamp:
Sunday 30 October 2022 at 06:46:12 UTC
()
Proposer:
Authorizers:
Gas used:
48