There are an 404 error occure while installing sobipro component and there are an issue we can't uninstalled sobipro component from manage tab under extention manager..also when i will try to installed zoo component insted of sobipro then the same version of zoo component has succesfully installed in master site but at that time when i have to uploaded same version of component of zoo in slave site then the message has occured

"This extension is not found in the master site.
Please install it first in the master site before installing it into the slave site
Error installing package"

please solve this problem...!!

You have different method that can be used to perform the installation of an extension into the slave site.

1) Use the JMS Tool to perfom the install of an extension into a slave site.

2) Login in the back-end of the slave site and perform the re-install of the extension.
Some extension use a special install procedure to install temporaly an extension that is used to finally install their own stuff. When they finish to install their own stuff, they uninstall.
This may explain they are no more found in the master (or they have another name)

If you have a message like the extension does not exists in the master or with an incorrect version number, it is possible to disable this check performed by JMS when you go in the Settings menu.
Change the "Ignore extension version" to YES.
Don't forget to restore to NO when you have finished the install in the slave sites.

3) Use the Joomla "extension manager" / discover => Install
When you have the error message that an manifest of a version is incorrect (case 2), it is also highly probable that this procedure also fails.

Thanx for your reply

when i am trying to installed zoo component in slave site then my control panel of slave site has not shown. please tell me how can we resolved from this problem..

Thanx

Do you mean that you choose the second method describe above (re-install of zoo from the back-end of the slave site) ?

If you don't have the menu "zoo" that is present in the slave site, try uninstalling it and re-installing it.
Sometimes, when you had a problem during a previous installation, Joomla does not create the menu information and when you retry to re-install it, it considers this is an update without refreshing the menu.
When you uninstall, the extension may sometimes cleanup the information and that solve the problem.

Otherwise, try using the latest JMS 1.3.29 and the JMS tools menu that may help you installing an extension into a slave site.

Becarefull that Zoo is a Yoothemes extension that requires additional patches to fix bugs in the WARP framework that is copied in each extensions.
See www.jms2win.com/en/joomla-multisite?page...46&category_id=1