Typical problems with budget control in project management include:

1. **Inaccurate Estimations**: Initial budget estimates can be too optimistic or based on incomplete information, leading to unexpected costs later in the project.

2. **Scope Creep**: Uncontrolled changes or continuous growth in project scope can lead to increased demands on resources and budget overruns.

3. **Poor Tracking and Reporting**: Inadequate monitoring of expenses against the budget can result in delays in identifying cost overruns, making it difficult to take corrective actions in a timely manner.

4. **Lack of Contingency Planning**: Failing to allocate a sufficient contingency fund for unforeseen expenses can leave a project vulnerable to budget overruns.

5. **Stakeholder Miscommunication**: Misalignment between stakeholders regarding budget expectations can lead to misunderstandings and disputes over funding.

6. **Resource Mismanagement**: Inefficient allocation and management of resources can lead to higher costs, inefficiencies, and delays.

7. **Failure to Adjust**: Inflexibility in adapting to changes in cost or project scope can hinder effective budget management.

8. **External Factors**: Variables such as economic changes, vendor price increases, or regulatory requirements can also impact the budget unexpectedly.

Addressing these problems requires proactive planning, effective communication, regular monitoring, and a willingness to adapt to changing circumstances.