Flow price: --
1b7e766a7411944c23c275a9f2d745d719fda5a3988c44dfc05b0007741cfd19

Transaction

Hash: 1b7e766a7411944c23c275a9f2d745d719fda5a3988c44dfc05b0007741cfd19
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1b7e766a7411944c23c275a9f2d745d719fda5a3988c44dfc05b0007741cfd19:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1b7e766a7411944c23c275a9f2d745d719fda5a3988c44dfc05b0007741cfd19
Status:
ERROR
Block height:
39837672
Block id:
a29204d8eb079b315afa9391d2648d075c89589a373fe062750f9b8c3593dfa4
Timestamp:
Friday 28 October 2022 at 00:47:58 UTC
()
Proposer:
Authorizers:
Gas used:
47