Flow price: --
936a010a64a68b856e53ebf0458779cac5e4b72d12f0fb13289eb5a82951754b

Transaction

Hash: 936a010a64a68b856e53ebf0458779cac5e4b72d12f0fb13289eb5a82951754b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 936a010a64a68b856e53ebf0458779cac5e4b72d12f0fb13289eb5a82951754b: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:
936a010a64a68b856e53ebf0458779cac5e4b72d12f0fb13289eb5a82951754b
Status:
ERROR
Block height:
40119386
Block id:
f3593283b4f8debb252d582d8ee465817efdd2771fd3dc1f87c8d2c05dafbe3c
Timestamp:
Tuesday 1 November 2022 at 17:46:14 UTC
()
Proposer:
Authorizers:
Gas used:
49