I can't retrieve data any more via EIKON python API. For example time series data (prices) for .5...

The following code can help you to reproduce the error messages

import eikon as ek
from datetime import date, datetime, timedelta
import dateutil.relativedelta as dateutil
from sqlalchemy import create_engine
from sqlalchemy.sql import select
import numpy
import time

ek.set_app_key('YourAppKey')
retrials = 0;

starting = datetime.now()

print('Gestartet: ' + starting.strftime("%H:%M:%S"))

# input Parameter ANFANG
table_name = "dbName"
table_mode = "replace"
max_retries = 50
rrg_index = [
    [".IXIC", ".5SP10", ".5SP15", ".5SP20", ".5SP25", ".5SP30", ".5SP35", ".5SP40", ".5SP45", ".5SP50", ".5SP55", ".5SP60"],
    [".SPX", ".5SP10", ".5SP15", ".5SP20", ".5SP25", ".5SP30", ".5SP35", ".5SP40", ".5SP45", ".5SP50", ".5SP55", ".5SP60"],
    [".E1DOW", ".E1TEC", ".E1IDU", ".E1NCY", ".E1FIN", ".E1TLS", ".E1UTI", ".E1HCR", ".E1ENE", ".E1CYC", ".E1BSC"]
    ]
# input Parameter ENDE

print('++++++++++++++++++++++++++++++++++++++++++++++++++++++++')
print('Tabelle:       ' + table_name)
print('Modus:         ' + table_mode)
print('++++++++++++++++++++++++++++++++++++++++++++++++++++++++')

try:
    retrials_1 = 0
    con = engine.connect()

    end = datetime.now() - timedelta(days=1)
    start = end - timedelta(weeks=40)

    start_string = start.strftime("%Y-%m-%d")
    end_string = end.strftime("%Y-%m-%d")

    print(start_string)
    print(end_string)

    for row in rrg_index:
        main_index = row[0]
        print(main_index)

        i = 0
        while (i < len(row)):
            aRIC = row[i]
            print("Load " + aRIC)
            time.sleep(2);
            try:
                req = ek.get_timeseries(aRIC, start_date=start_string , end_date=end_string, interval='weekly', corax='adjusted')
                print('Ergänzung um Datum und Index und speichern.')
                # do some database work

                table_mode = "append"
                i = i + 1
                retrials_1 = 0

            except Exception as anExc:
                print('Exception:')
                print(anExc)
                print('### RIC ###')
                print(aRIC)
                if retrials_1 > max_retries:
                    i = i + 1
                    print("ACHTUNG:", aRIC)

                retrials_1 = retrials_1 + 1
                time.sleep(3);

        retrials = 0

except Exception as anExc:
    print('Exception:')
    print(anExc)
            
print('Beendet.')