The phrase "a frequent problem of" is correct and usable in written English.
It can be used to describe an issue that occurs often in relation to a specific subject or context.
Example: "A frequent problem of urban areas is traffic congestion during peak hours."
Alternatives: "a common issue with" or "a recurring challenge of".
A frequent problem for coaches of Argentina and Brazil is the sheer number of options available to them.
This has been a frequent problem for opponents of the Huskies, who allowed teams to shoot only 32percentt from the field.
Finding garments that fit well was also a frequent problem for adults of different body shapes and sizes (Liechty et al. 2009).
The decline in physical activity increases susceptibility to disuse atrophy, a frequent problem for individuals of all ages, but a particularly challenging one for older adults.
The aims of this phase II study were to use low-dose weekly anthracyclines in a patient group where liver metastases are a frequent problem, to optimise scheduling of 5-fluorouracil using continuous infusion and to conserve alkylating agent use for late intensification in responding patients.
Optimistic estimation of the C statistic is a frequent problem because of overfitting of statistical models in small data sets, and methods exist to correct for this issue.
If this sort of wind whipping is a frequent problem, a windscreen of burlap or some type of baffle may be the solution for another year.
If the analysis is done too late, or if the findings are irrelevant or miscommunicated (which is a frequent problem), the opportunity of enhancing the social impact of a project/programme/plan will be lost.
Liposomal encapsulation is performed with no chemical modification, leaving no residual background activity of the molecule, which is a frequent problem accompanying caging of biological molecules.
