Flow price: --
dd60b3af4cf0884dafc2843c63df8ac38e3b5a4264baadea88f7536dc4723544

Transaction

Hash: dd60b3af4cf0884dafc2843c63df8ac38e3b5a4264baadea88f7536dc4723544
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dd60b3af4cf0884dafc2843c63df8ac38e3b5a4264baadea88f7536dc4723544:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dd60b3af4cf0884dafc2843c63df8ac38e3b5a4264baadea88f7536dc4723544
Status:
ERROR
Block height:
39989812
Block id:
bdc37c875f47aeb8f92d8c3d7226731807066d4d8a4f82817ebcf96e49a00e1a
Timestamp:
Sunday 30 October 2022 at 13:41:11 UTC
()
Proposer:
Authorizers:
Gas used:
46