technical Issues

If you are new to stock, you should consider these resources: https://helpx.adobe.com/stock/contributor/tutorials.html
Please read the contributor user manual for more information on Adobe stock contributions: https://helpx.adobe.com/stock/contributor/user-guide.html
See here for rejection reasons: https://helpx.adobe.com/stock/contributor/help/reasons-for-content-rejection.html
and especially quality and technical issues: https://helpx.adobe.com/stock/contributor/help/quality-and-technical-issues.html

Provide the buyer a good clean photo that is in focus, not to tightly cropped and in color. The buyer can crop and convert to black & white if they so desire. 

Extremely underexposed, except for the bright blown-out sun blob. Due to the poor exposure, it's difficult to see if other technical issues exist. Monochrome conversions are not accepted by Adobe Stock.