Mismanagement (noun)

The act or an instance of mismanaging; poor or inefficient management.

Origin:

From mis- + management.

Examples:

1. The company's financial problems were caused by mismanagement.
2. Mismanagement of the project led to its failure.
3. The company's failure was a result of mismanagement and lack of leadership.
4. The company's reputation was damaged by the mismanagement of its social media accounts.
5. The mismanagement of resources led to the project being delayed and over budget.