Content Conversion key value

Hi gurus,

I have the problem.

I have the next structucre:

<record>

     <N20>

          <key>

          <data>

     <N20/>

well, I have configured the CC with the next:

the file data is :

:20:1234556677

this configuration is correct, but when the file data is:

:25:1234444444

the interface give the data and insert into structure.

XML :

<record>