Flow price: --
bb91ec8bb6699425ea8e0c2977cd77932b37f9fb80c50aa4f25c865f5bd7ea28

Transaction

Hash: bb91ec8bb6699425ea8e0c2977cd77932b37f9fb80c50aa4f25c865f5bd7ea28
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bb91ec8bb6699425ea8e0c2977cd77932b37f9fb80c50aa4f25c865f5bd7ea28:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bb91ec8bb6699425ea8e0c2977cd77932b37f9fb80c50aa4f25c865f5bd7ea28
Status:
ERROR
Block height:
39916893
Block id:
029244ba7e35b46186cdcf04b28d5632257afd6eaf277122e9dfbbc8294d3c4c
Timestamp:
Saturday 29 October 2022 at 08:31:55 UTC
()
Proposer:
Authorizers:
Gas used:
50