Flow price: --
71a59b9693772a500f9e5bee1236bb35ac50353ede80f92c75298bc7fb2df06b

Transaction

Hash: 71a59b9693772a500f9e5bee1236bb35ac50353ede80f92c75298bc7fb2df06b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 71a59b9693772a500f9e5bee1236bb35ac50353ede80f92c75298bc7fb2df06b: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:
71a59b9693772a500f9e5bee1236bb35ac50353ede80f92c75298bc7fb2df06b
Status:
ERROR
Block height:
39976681
Block id:
0823381cbb63d45fb26f70017baaacdca71e590c47a0c13e7c6b73742620c3bb
Timestamp:
Sunday 30 October 2022 at 08:26:21 UTC
()
Proposer:
Authorizers:
Gas used:
46