Flow price: --
b2f5d2896e87d19d20332b5a3b8e3d044ae5ae0784e09de7aee3b0588684793f

Transaction

Hash: b2f5d2896e87d19d20332b5a3b8e3d044ae5ae0784e09de7aee3b0588684793f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b2f5d2896e87d19d20332b5a3b8e3d044ae5ae0784e09de7aee3b0588684793f: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:
b2f5d2896e87d19d20332b5a3b8e3d044ae5ae0784e09de7aee3b0588684793f
Status:
ERROR
Block height:
39971307
Block id:
a57b36aa5653310320f571d751126db1cd94bd291fc3e77dd9bc6b9023b1782c
Timestamp:
Sunday 30 October 2022 at 06:17:09 UTC
()
Proposer:
Authorizers:
Gas used:
47