texture pack enable error

How can I solve this error that are coming to users

"There was an error when enabling the resource package. Please contact administrators or deactivate resource packages"

More information needed

Which version do you use?

Please do(without / if its console)

/version

/version ItemsAdder

/version LoneLibs

/version ProtocolLib

Which hosting solution are you using?

Is server where is RP located the main server(only on more-server instance)?

Before this issue occured everything ran good?

Did you properly read all instructions?

/iareload

/iazip

Can you provide your server log and client log as well?