Flow price: --
c10d75469374a7b8fa7be9fc48d6c204970002ccc8844b1d42d2be2fafe1eb0e

Transaction

Hash: c10d75469374a7b8fa7be9fc48d6c204970002ccc8844b1d42d2be2fafe1eb0e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c10d75469374a7b8fa7be9fc48d6c204970002ccc8844b1d42d2be2fafe1eb0e: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:
c10d75469374a7b8fa7be9fc48d6c204970002ccc8844b1d42d2be2fafe1eb0e
Status:
ERROR
Block height:
40106376
Block id:
c8ee1eb9fa4a998ef0563c1cd8a718d2dfe36e7b9f474bbd6aaa2a5f80c73de2
Timestamp:
Tuesday 1 November 2022 at 12:29:57 UTC
()
Proposer:
Authorizers:
Gas used:
50