Are you using custom PSoC board? If yes, please attach the pdf of of the schematic.
We assume that there is some issue over schematic because the PSoC should be programmed with both 3.3 volts as well as 5volts.
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Please do the following steps:
1. Compare your schematic file with CY8cKIT-143A eval's schematic.You can get it from the link below:
2. Please go through PSoC programming troubleshooting guide from the link below:
Hope this information helps !