Flow price: --
4329671fa65c51191f0d918d2b85c138745306d4b30fe1648a35b9acf2b57822

Transaction

Hash: 4329671fa65c51191f0d918d2b85c138745306d4b30fe1648a35b9acf2b57822
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4329671fa65c51191f0d918d2b85c138745306d4b30fe1648a35b9acf2b57822:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4329671fa65c51191f0d918d2b85c138745306d4b30fe1648a35b9acf2b57822
Status:
ERROR
Block height:
40155933
Block id:
24f011d77cfeaa232b3466cacfd32897e6fedcfebfd54a947e867370790e8a7d
Timestamp:
Wednesday 2 November 2022 at 08:39:28 UTC
()
Proposer:
Authorizers:
Gas used:
47