Flow price: --
79c0bcac2811fe0ea78e5f63f5ecbaf07a8acc57569d6188f7a9a5dbf99f07cd

Transaction

Hash: 79c0bcac2811fe0ea78e5f63f5ecbaf07a8acc57569d6188f7a9a5dbf99f07cd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 79c0bcac2811fe0ea78e5f63f5ecbaf07a8acc57569d6188f7a9a5dbf99f07cd: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:
79c0bcac2811fe0ea78e5f63f5ecbaf07a8acc57569d6188f7a9a5dbf99f07cd
Status:
ERROR
Block height:
40117848
Block id:
71340acb7cec730f98a634d5642006ace3dace29794da2c27fbc872c041effa7
Timestamp:
Tuesday 1 November 2022 at 17:08:50 UTC
()
Proposer:
Authorizers:
Gas used:
48