Error 500

[cspeer]

Hi,

from time to time I'm getting 500 error messages out of the blue. Very often for example with this request: https://api.500px.com/v1/photos/search?only=City%20and%20Architecture%2CLandscapes%2CStreet%2CTravel%2CUrban%20Exploration&image_size=1%2C2%2C3%2C100%2C200%2C440%2C600%2C4%2C5%2C6%2C20%2C21%2C30%2C31%2C1080%2C1600%2C2048&sort=times_viewed&rpp=3&geo=44.61665,33.525367,10km&consumer_key={customer_key}