Availability Graph Widget displays "No Data File" message

Availability Graph Widget displays “No Data File” message

The rrd command looks for a “availability-.rrd” file that does not exist. Here is the output:

RRDTool Command

rrdtool graph /tmp/sWX6dl4CIJ5Si31n  -l 0 -u 100 -E --start 1608306161 --end 1610984561 --width 1190 --height 300 -c BACK#EEEEEE00 -c SHADEA#EEEEEE00 -c SHADEB#EEEEEE00 -c CANVAS#FFFFFF00 -c GRID#a5a5a5 -c MGRID#FF9999 -c FRAME#5e5e5e -c ARROW#5e5e5e -R normal -c FONT#000000 --font LEGEND:8:DejaVuSansMono --font AXIS:7:DejaVuSansMono --font-render-mode normal DEF:availability=/opt/librenms/rrd/pt-cb-swf02/availability-.rrd:availability:AVERAGE AREA:availability#8B8BEB44: COMMENT:'Availability(%)   Now       Ave      Max\n' LINE1.25:availability#000000:'            ' GPRINT:availability:LAST:%6.3lf%s GPRINT:availability:AVERAGE:%6.3lf%s GPRINT:availability:MAX:%6.3lf%s\n COMMENT:\n

RRDTool Output

ERROR: opening '/opt/librenms/rrd/pt-cb-swf02/availability-.rrd': No such file or directory

On Devices, I can see the Availability correctly.

Output of ./validate.php:

Last login: Mon Jan 18 15:49:13 WET 2021 on pts/3
-bash-4.2$ ./validate.php
====================================
Component | Version
--------- | -------
LibreNMS  | 1.70.1-36-g41f1436
DB Schema | 2020_11_02_164331_add_powerstate_enum_to_vminfo (191)
PHP       | 7.4.14
Python    | 3.6.8
MySQL     | 5.5.68-MariaDB
RRDTool   | 1.4.8
SNMP      | NET-SNMP 5.7.2
====================================

[OK]    Composer Version: 2.0.8
[OK]    Dependencies up-to-date.
[OK]    Database connection successful
[OK]    Database schema correct
-bash-4.2$

Thank you for your help

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I am having the same problem. Please help.