Flow price: --
ac9a67ec6323a69d51516ee0bb54ef3e7a3fea78b4e9f912edeb1656dbe23eec

Transaction

Hash: ac9a67ec6323a69d51516ee0bb54ef3e7a3fea78b4e9f912edeb1656dbe23eec
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ac9a67ec6323a69d51516ee0bb54ef3e7a3fea78b4e9f912edeb1656dbe23eec: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:
ac9a67ec6323a69d51516ee0bb54ef3e7a3fea78b4e9f912edeb1656dbe23eec
Status:
ERROR
Block height:
40131451
Block id:
846f364e9bc4c810a520af52fe52a059670335e02db014590a1004e65283723f
Timestamp:
Tuesday 1 November 2022 at 22:42:24 UTC
()
Proposer:
Authorizers:
Gas used:
46