Invalid argument when setting logdir after RPM install

[sbengo]

If log dir is set on pseriecollector.toml the following error will appear and it won't create the log file:

pseriescollector[#PID#]: Failed to write to log, invalid argument

Config:

pseriescollector.toml:
...
[general]
 #InstanceID will be a string identifiing the collector , It will be usefull when
 # more than one running on the same server, this ID will be shown in the WebUI.
 instanceID = "pseriescollector_PRO"
 #there are as many logs as devices configured and
 #logdir set the Directory path for each device individual log
 logdir = "./log"
 #NOTE: main process log is now sent to standar ouput
 # logLevel set de main process log level
 # valid values: panic,fatal,error,warn,info,debug
 logLevel = "debug"
...