Flow price: --
8497a67786efd33739e10deee38fdc13bae5e907cd34638d72f7ac7fac00156b

Transaction

Hash: 8497a67786efd33739e10deee38fdc13bae5e907cd34638d72f7ac7fac00156b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8497a67786efd33739e10deee38fdc13bae5e907cd34638d72f7ac7fac00156b: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:
8497a67786efd33739e10deee38fdc13bae5e907cd34638d72f7ac7fac00156b
Status:
ERROR
Block height:
39875040
Block id:
9565cb714dd95e17646909d9287f613a4aefdc3fa248997685b70fb639c1379d
Timestamp:
Friday 28 October 2022 at 15:50:54 UTC
()
Proposer:
Authorizers:
Gas used:
49