Flow price: --
a8781af4e840297c2e1d96bdb5d8f6e402947aa3f7c0e3d48021974f0d40dc31

Transaction

Hash: a8781af4e840297c2e1d96bdb5d8f6e402947aa3f7c0e3d48021974f0d40dc31
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a8781af4e840297c2e1d96bdb5d8f6e402947aa3f7c0e3d48021974f0d40dc31:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a8781af4e840297c2e1d96bdb5d8f6e402947aa3f7c0e3d48021974f0d40dc31
Status:
ERROR
Block height:
40155422
Block id:
1b43a806f50d8b1219c7129e8dd632d1cba13c811baa7679223d66c9101718dc
Timestamp:
Wednesday 2 November 2022 at 08:26:48 UTC
()
Proposer:
Authorizers:
Gas used:
46