Flow price: --
f57fe929c8a8f29ea0eb7eefeaca67a5b97710bb94f78bb21a1cbbb2a85899ba

Transaction

Hash: f57fe929c8a8f29ea0eb7eefeaca67a5b97710bb94f78bb21a1cbbb2a85899ba
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f57fe929c8a8f29ea0eb7eefeaca67a5b97710bb94f78bb21a1cbbb2a85899ba: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:
f57fe929c8a8f29ea0eb7eefeaca67a5b97710bb94f78bb21a1cbbb2a85899ba
Status:
ERROR
Block height:
39876537
Block id:
ebdac9070d042303be697a8e2ab4938b46904aea54f26aa7f0c40f5471d7f740
Timestamp:
Friday 28 October 2022 at 16:26:29 UTC
()
Proposer:
Authorizers:
Gas used:
48