As starting point you should classify the problem:
Is the configuration for managed system executed?
Is the communication arrangement for scenario SAP_COM_0527 created and :
Are the scheduled jobs running?
Problems during setup, data collection or push are logged in application log.
Check SLG1 for object /SDF/CALM
Wrong time zone settings might be the reason for missing data.
Execute report RSDBTIME or TZCUSTHELP. If they report an issue like
ERROR: ABAP system timezone setting inconsistent!
ABAP system timezone (DB table TTZCU) is: CET
This is inconsistent with date and time of ABAP-Processor and database!
or
System time zone or UTC timer is incorrect.
Correct the time zone settings for that system(client).
SAP Build Work Zone Applications that can be activated are:
1. HTML5 apps from the HTML5 content provider
2. Locally created SAPUI5 applications (in the Content Manager)
Iframe embedded applications like fiori applications from on-premise systems sent the data to their backend system and need to be collected and displayed there.