Issue
When changing tabs in Hierarchy Manager, the system tries to upload records. However, after a few minutes, it fails and shows the following message:


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Product Line
Power Monitoring Expert 9.0

Environment
Hierarchy Manager

Cause
By default, the hierarchy manager has to upload records within 2 minutes. If it doesn't manage to upload within this time, it will fail.

Resolution
Change the Javascript file for HierarchyManager to increase the timeout. The file is:

...\Power Monitoring Expert\applications\HierarchyManager\Scripts\HierarchyManager\data.nodemodel.js

Find the following code snippet:

$.ajax({
type: "GET",
url: baseUrl,
timeout: 2*60*1000, // 2 minutes. Some hierarchy pages can take a long time to generate.
data: { nodeQuery: JSON.stringify(nodeQuery) },
dataType: "json",
success: onSuccess,
error: onError,
page: page
});

Change the timeout to 4*60*1000. This increases the timeout to 4 minutes.

*Note: This solution does not apply to versions of PME after PME 9.0

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