Desktop (please complete the following information):
OS: Windows 10
Browser: Firefox, Chomre latest
Additional context
And yes I've copied my rrd files from the old installation folder to the new one.
Update from 1.2.6 to 1.2.7. was successful with graph history.
And i wait 1 hour but no history data was shown in the graphs only new data.
Describe the bug History in graphs are not shown but rrd files are present
To Reproduce Steps to reproduce the behavior:
Expected behavior To see the history of my graphs
Screenshots![Image of Issue](https://i.ibb.co/wNDD3SC/grafik.png)
Desktop (please complete the following information):
Additional context And yes I've copied my rrd files from the old installation folder to the new one. Update from 1.2.6 to 1.2.7. was successful with graph history. And i wait 1 hour but no history data was shown in the graphs only new data.