Flow price: --
7f07ec2ae637bc6b4e2168b4588855090eabafa309b045533d59598dce234c40

Transaction

Hash: 7f07ec2ae637bc6b4e2168b4588855090eabafa309b045533d59598dce234c40
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7f07ec2ae637bc6b4e2168b4588855090eabafa309b045533d59598dce234c40:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7f07ec2ae637bc6b4e2168b4588855090eabafa309b045533d59598dce234c40
Status:
ERROR
Block height:
39860143
Block id:
dd3a25ce3c41bdf7ad781eccf5226432d30f8bcac054825c357003ccfc530170
Timestamp:
Friday 28 October 2022 at 09:51:58 UTC
()
Proposer:
Authorizers:
Gas used:
46