Flow price: --
994f7ff493cf441a4ce5c937064d60a2f64768ad0c95aed32a96bc1e3a5d56f9

Transaction

Hash: 994f7ff493cf441a4ce5c937064d60a2f64768ad0c95aed32a96bc1e3a5d56f9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 994f7ff493cf441a4ce5c937064d60a2f64768ad0c95aed32a96bc1e3a5d56f9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
994f7ff493cf441a4ce5c937064d60a2f64768ad0c95aed32a96bc1e3a5d56f9
Status:
ERROR
Block height:
39910981
Block id:
4304425b91156bb3514a1913ef42aae8f8ff186ab0294c58a8c6ecea032ce797
Timestamp:
Saturday 29 October 2022 at 06:09:35 UTC
()
Proposer:
Authorizers:
Gas used:
46