Sending arrays with ESP NOW using ESP32

Hi everyone!
I have a project, where i want to measure RSSI values by different technologies (UWB,WiFi,BLE and RF) and after i collect the measured datas with an ESP32, i store them into different arrays. Then i want to send these arrays to another ESP32 via ESP NOW. The anomaly i faced with, was that when i was trying to send the packet with the 2 arrays (each contains 20 double values), it returns me a "E (31854) ESPNOW: Invalid argument!" error message. I cant imagine what the problem could be, because the arrays surely contains all the values, i want to send. And i also tested the sending with several integers, chars and booleans. Could somebody help me solve this problem?
I am new here, so unfortunately the page doesnt allow me to upload any codes.

Why not paste your code in code tags?

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