Ploblems creating extensions after restoring a backup.

[beaver]

I restore a backup from version 3 in version 4 and 5 but after that i tried to make a new extension adn the system prompt
Cannot save DN object: ERROR: duplicate key violates unique constraint "dn_pkey"<br>#0 C:\Program Files\3CX PhoneSystem\Data\Http\functions\CallContext.php(94): safeExec(Object(PDOStatement), 'Cannot save DN ...')<br />
#1 C:\Program Files\3CX PhoneSystem\Data\Http\functions\fDN.php(162): CallContext->safeExec('insert into dn ...', Array, 'Cannot save DN ...')<br />
#2 C:\Program Files\3CX PhoneSystem\Data\Http\functions\fDN.php(121): fDN::saveDN(Object(oDN))<br />
#3 C:\Program Files\3CX PhoneSystem\Data\Http\functions\fExtension.php(112): fDN::save(Object(oDN))<br />
#4 C:\Program Files\3CX PhoneSystem\Data\Http\functions\fUser.php(41): fExtension::save(Object(oExtension))<br />
#5 C:\Program Files\3CX PhoneSystem\Data\Http\user_extension_info.php(1046): fUser::save(Object(oUser))<br />
#6 C:\Program Files\3CX PhoneSystem\Data\Http\functions\gui\fmPage.php(70): aOnOk->execute()<br />
#7 C:\Program Files\3CX PhoneSystem\Data\Http\functions\gui\fmPage.php(85): fmPage->processData()<br />
#8 C:\Program Files\3CX PhoneSystem\Data\Http\functions\gui\fmPageEx.php(110): fmPage->toHTML()<br />
#9 C:\Program Files\3CX PhoneSystem\Data\Http\user_extension_info.php(1096): fmCustomPage->toHTML()<br />
#10 {main}
Please help.

 

[Pentangle]

Have you tried restoring the v3 backup, then immediately taking a new backup, uninstalling, reinstalling, and then restoring the new backup?

 

[beaver]

restore backup restore

I try what you said but the problem persist. Anyone, help.

 

[beaver]

Looks that is working now

Ok that's what i did. I follow the recomendation of the reply, but it didn't work. after that i delete all the extensions, and restore the backup again and there is were everithing start to work again.