Problem with line chart

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USER STORY

Sometimes there are tags in duplicate. More importantly, there is sometime this error : TypeError: Cannot read property 'destroy' of null When chart js try to destroy the chart.

ACCEPTANCE CRITERIA

1. 1. 1.

DEFINITION OF DONE

• Code builds without warnings (technical task)
• Code unit tested (technical task)
• Code is reviewed by a peer colleague
• Documentation updated (user story)
• Build pushed to demo server (user story)