Up to 8 attachments (including images) can be used with a maximum of 1.0 MB each and 10.5 MB total.
You can open a case support and ask the backend support team to detect the actual reason for the issue from log.
You can then take appropriate measures to counter that with steps mentioned above
Up to 10 attachments (including images) can be used with a maximum of 1.0 MB each and 10.5 MB total.
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I need to add data (accounts ) to sandbox , Also I need a way to return list of accounts in sandbox
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