Flow price: --
4c896a6b97d3088547b07fefa19cc8c06658615784d54f80724d1fee2d30f221

Transaction

Hash: 4c896a6b97d3088547b07fefa19cc8c06658615784d54f80724d1fee2d30f221
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4c896a6b97d3088547b07fefa19cc8c06658615784d54f80724d1fee2d30f221:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4c896a6b97d3088547b07fefa19cc8c06658615784d54f80724d1fee2d30f221
Status:
ERROR
Block height:
39751257
Block id:
abf52416d2283174e345b04bcffa07aba23e3d2b9d0c02bb5c4bdbb3b4a39475
Timestamp:
Wednesday 26 October 2022 at 13:57:01 UTC
()
Proposer:
Authorizers:
Gas used:
51