We do not have enough information to really assist because we don't know 1) how your solution is structured, 2) what these time slots represent and 3) the calculations you are using.
The best help I can offer is not to use repetitions for data but rather use records instead. Regardless, if you wish to upload your file somewhere, I would be happy to take a look. When using repetitions, you need to take advantage of Extend() ... but again, I cannot suggest with no information. :^)