Flow price: --
f0ce5dfc4180151497e19c4842daa78842b04fd9a864e666f14724f9bdd57c0e

Transaction

Hash: f0ce5dfc4180151497e19c4842daa78842b04fd9a864e666f14724f9bdd57c0e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f0ce5dfc4180151497e19c4842daa78842b04fd9a864e666f14724f9bdd57c0e: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:
f0ce5dfc4180151497e19c4842daa78842b04fd9a864e666f14724f9bdd57c0e
Status:
ERROR
Block height:
40032640
Block id:
fbe81365bbc1dcc76df90ae2725ce9731207172f90d46bacd5236a81f63a0d83
Timestamp:
Monday 31 October 2022 at 06:47:16 UTC
()
Proposer:
Authorizers:
Gas used:
46