Flow price: --
64a215bf604634d1a519063fa24a695d4a3e712130b59b23b63a581aff4d4c03

Transaction

Hash: 64a215bf604634d1a519063fa24a695d4a3e712130b59b23b63a581aff4d4c03
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 64a215bf604634d1a519063fa24a695d4a3e712130b59b23b63a581aff4d4c03:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
64a215bf604634d1a519063fa24a695d4a3e712130b59b23b63a581aff4d4c03
Status:
ERROR
Block height:
40104983
Block id:
b4a9f758c810bf1987c1042f2a199add8a9e3a78d2393c5c1ef2e40d8d74475f
Timestamp:
Tuesday 1 November 2022 at 11:56:13 UTC
()
Proposer:
Authorizers:
Gas used:
46