Flow price: --
a88549ffeab7ba8c8d63b4b30915206f7c31532d4e2379f89ee5208549786e18

Transaction

Hash: a88549ffeab7ba8c8d63b4b30915206f7c31532d4e2379f89ee5208549786e18
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a88549ffeab7ba8c8d63b4b30915206f7c31532d4e2379f89ee5208549786e18:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a88549ffeab7ba8c8d63b4b30915206f7c31532d4e2379f89ee5208549786e18
Status:
ERROR
Block height:
39846028
Block id:
32b9c7fbeb8101b546769383c01e68268e7e29121f2f61a301c1adec252e97b2
Timestamp:
Friday 28 October 2022 at 04:09:40 UTC
()
Proposer:
Authorizers:
Gas used:
46