Flow price: --
4af8592cd865a6e101fdba688fa913578e23892bf5c79f15b4e7306eab3410ba

Transaction

Hash: 4af8592cd865a6e101fdba688fa913578e23892bf5c79f15b4e7306eab3410ba
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4af8592cd865a6e101fdba688fa913578e23892bf5c79f15b4e7306eab3410ba: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:
4af8592cd865a6e101fdba688fa913578e23892bf5c79f15b4e7306eab3410ba
Status:
ERROR
Block height:
39801375
Block id:
68a3bcb109231828094f9e18e74807a53c6f265d79810b19fc267d6efd0a0d72
Timestamp:
Thursday 27 October 2022 at 10:08:14 UTC
()
Proposer:
Authorizers:
Gas used:
49