Flow price: --
7d069f6fe264506f4a2d8a9929ce636a2f9fc60f54726822a22e35f3b4437343

Transaction

Hash: 7d069f6fe264506f4a2d8a9929ce636a2f9fc60f54726822a22e35f3b4437343
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7d069f6fe264506f4a2d8a9929ce636a2f9fc60f54726822a22e35f3b4437343:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7d069f6fe264506f4a2d8a9929ce636a2f9fc60f54726822a22e35f3b4437343
Status:
ERROR
Block height:
40116594
Block id:
09658a93c20d8c640c8b746bd0596b4125fc312534e20eb66396cc95224ff9b4
Timestamp:
Tuesday 1 November 2022 at 16:38:03 UTC
()
Proposer:
Authorizers:
Gas used:
47