[Bug]: tcr solo crashes trying to launch the periodic reminder

[mengdaming]

Contact Details

damien.menanteau@gmail.com

Describe the bug

When running tcr in solo mode, TCR crashes trying to launch the periodic reminder.

The problem exists on the following releases:

• v0.13.0
• v0.14.0

To Reproduce

Steps to reproduce the behavior:

1. Make sure to use tcr version 0.13.0 or 0.14.0
2. Run tcr solo
3. error trace with tcr 0.13.0:

panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xc0000005 code=0x0 addr=0x8 pc=0x9a1b0e]

goroutine 51 [running]:
github.com/murex/tcr/tcr-engine/timer.(*PeriodicReminder).Start(0x0)
/home/runner/work/TCR/TCR/tcr-engine/timer/periodic_reminder.go:105 +0x2e
github.com/murex/tcr/tcr-engine/engine.(*TcrEngine).RunAsDriver.func1()
/home/runner/work/TCR/TCR/tcr-engine/engine/tcr.go:192 +0xb6
github.com/murex/tcr/tcr-engine/engine.(*TcrEngine).fromBirthTillDeath.func1()
/home/runner/work/TCR/TCR/tcr-engine/engine/tcr.go:260 +0x38
gopkg.in/tomb%2ev2.(*Tomb).run(0xc0001ec0f0, 0x0)
/home/runner/go/pkg/mod/gopkg.in/tomb.v2@v2.0.0-20161208151619-d5d1b5820637/tomb.go:163 +0x36
created by gopkg.in/tomb%2ev2.(*Tomb).Go
/home/runner/go/pkg/mod/gopkg.in/tomb.v2@v2.0.0-20161208151619-d5d1b5820637/tomb.go:159 +0xf3

Expected behavior

TCR should not launch any timer when running in solo mode

Working Environment

1. OS: any

2. Versions

• v0.13.0
• v0.14.0

Additional Context

Additional information

Code of Conduct

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