Bug: Volume Page not recognized

The VolumePage:2,1 is not recognized here at the top of the page:

 

[[@VolumePage:2,1]]

Notes_v2

peacemakers = those who disinterestedly come between two contending parties and try to make peace. These God calls His sons because they are like Him.

[Warning] Unable to apply topics to article 'A_VOLUMEPAGE21'. Article Length is zero.
[Error] Article 'A_VOLUMEPAGE21' has no content; articles cannot be empty.

But is recognized here:

 

Notes_v2

[[@VolumePage:2,1]]

peacemakers = those who disinterestedly come between two contending parties and try to make peace. These God calls His sons because they are like Him.

Volume 2 is in a different docx file to Volume 1.