WorldGuard Not Working? [HELP]

[Mango]

Explanation
I am currently starting up my Factions server, in which it has many different plugins, and some custom ones.​

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I installed WorldGuard so I could protect the spawn from griefers, and mobs from spawning.

I selected where I wanted it to be, and it gives the warning saying "Hey. You cannot break that block here", but yet it breaks the block, and you can place on it, and anything.
Picture Of Bug
https://gyazo.com/c0a9af237d3938a1cc78a6af72022e8c
What I need...
I currently need a fix to this bug, or a whole new plugin completely for protecting server builds.​

 

[lAkjtzAZ0]

The only way to prevent non-ops from breaking blocks in an area is to do '/rg flag <region> build deny' this will prevent all building/breaking.[DOUBLEPOST=1471056654][/DOUBLEPOST]Also, make sure you select the entire spawn and do '//expand vert'. This will expand the selection from bedrock to sky, so people can't break under or above spawn

 

[Mango]

The only way to prevent non-ops from breaking blocks in an area is to do '/rg flag <region> build deny' this will prevent all building/breaking.[DOUBLEPOST=1471056654][/DOUBLEPOST]Also, make sure you select the entire spawn and do '//expand vert'. This will expand the selection from bedrock to sky, so people can't break under or above spawn

I did that. Non-Ops can still break blocks, xD.

 

[Hassan R.]

It must be another plugin getting in the way of WG, give me a list of your plugins please.

 

[lAkjtzAZ0]

I did that. Non-Ops can still break blocks, xD.

hm. If you've made a region covering spawn and flagged it with 'build deny', it should work. What other plugins do you have?