No value

[alaintanguy]

After running the example with my own data I get from the https site:

Wrote:
tag: undefined
value: undefined

The request line says:
.... exec?tag=adc_A0&value=9.00Making a requestDgwMDAwWhcNMjExMjE1
My question: Is the root certificate correct?
/updated 04.12.2019
const char * root_ca=\