Oh great. You still have access to your recovery, simply download any rom available for your device. Transfer it to your device, if your device does not have an SD slot, simply push the rom.zip to your device via adb.
Once you have the ROM on your device, simply wipe data and cache and install the ROM.
Please remember, the next time you flash a ROM. Please make a back up as it will save you in such situations like this.
If I helped, don't hesitate to hit that Thanks button
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