Flow price: --
5480ed552f4c5e8f2cf6d01e720d280f0a06e0e34e9c3a10922b9e6713b63c57

Transaction

Hash: 5480ed552f4c5e8f2cf6d01e720d280f0a06e0e34e9c3a10922b9e6713b63c57
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5480ed552f4c5e8f2cf6d01e720d280f0a06e0e34e9c3a10922b9e6713b63c57:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5480ed552f4c5e8f2cf6d01e720d280f0a06e0e34e9c3a10922b9e6713b63c57
Status:
ERROR
Block height:
39844825
Block id:
ef3228d4cf208b6b563127d47f3500c7c8988881cc8b52dd707c99159475ebea
Timestamp:
Friday 28 October 2022 at 03:40:25 UTC
()
Proposer:
Authorizers:
Gas used:
47