Flow price: --
87ac19f74d4360504f63405b4e63be8a25067b6952adb69b401b2a2f07571c65

Transaction

Hash: 87ac19f74d4360504f63405b4e63be8a25067b6952adb69b401b2a2f07571c65
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 87ac19f74d4360504f63405b4e63be8a25067b6952adb69b401b2a2f07571c65:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
87ac19f74d4360504f63405b4e63be8a25067b6952adb69b401b2a2f07571c65
Status:
ERROR
Block height:
40132907
Block id:
d571bed4e149aa1c7f25bea7e9e861cc4a9dff4d1ed2490350f412730ba5af1c
Timestamp:
Tuesday 1 November 2022 at 23:18:19 UTC
()
Proposer:
Authorizers:
Gas used:
47