The phrase "a solution or a" is not complete and lacks context, making it difficult to assess its correctness in written English.
It could be used in a context where options or alternatives are being discussed, but it needs to be part of a fuller sentence to convey a clear meaning.
Example: "We need to find a solution or a way to address this issue effectively."
Alternatives: "an answer or a" or "a remedy or a".
He can't conceive of a problem without a solution or a situation he can't master.
And I'm not going to close down the local abattoir by trying to discover a solution or a reason.
Moreover, he is a serious thinker who regularly lays down stylish, intelligent sentences: "I do not think that Yucca Mountain is a solution or a problem.
"Projects should never be about the technology itself … You should be a problem in search of a solution rather, than a solution or a piece of technology in search of a problem".
Representative Michael R. Turner, an Ohio Republican who voted for the bill, said, "The administration did not come forward with any real offer of a solution or a compromise that would break the logjam".
In chemical methods, one may start with a completely homogeneous mixture (a solution) or a heterogeneous sample (e.g., solid plus liquid); in the act of separation, some particles are either partially or totally removed from the sample.
Bianchi et al. [11] proved that the generalized complementarity problem either has a solution or an exceptional family of elements in Hilbert spaces.
They proved that under certain conditions, the system of generalized order complementarity problems has either a solution or an order exceptional family of elements.
MOFO has shared a variety of emotional trajectories, offering either a solution or an escape.
Your brain can only perceive what it's known, so when you choose what you want for the future, you're actually just re-creating a solution or an ideal of the past.
When there is a challenge it is discussed and they [the partners] look immediately for a solution or an alternative".
