It seems that there is an article usage problem here.
Usage of linking words is important in IELTS writing. They help create clear connections between ideas in your writing. They improve the flow of your essay by showing relationships between paragraphs and sentences. Using appropriate linking words demonstrates your ability to write cohesively and will help you achieve a higher band score.
It appears that the subject and the predicate noun in this sentence do not agree in number. Consider making the noun problem plural.
It appears that your sentence or clause uses an incorrect form of the verb encouraging. Consider changing it.