Flow price: --
e61578c73d57f65d494bb6b26d4b19abf61c583a9515d79fe780e9fbf7f093c6

Transaction

Hash: e61578c73d57f65d494bb6b26d4b19abf61c583a9515d79fe780e9fbf7f093c6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e61578c73d57f65d494bb6b26d4b19abf61c583a9515d79fe780e9fbf7f093c6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e61578c73d57f65d494bb6b26d4b19abf61c583a9515d79fe780e9fbf7f093c6
Status:
ERROR
Block height:
40036750
Block id:
0684c82440eb131132a0845fd87bb0a742ef601061839db7cef43761f2e3baae
Timestamp:
Monday 31 October 2022 at 08:25:24 UTC
()
Proposer:
Authorizers:
Gas used:
46