Getting Failed to find Spark jars directory (/data/Spark/spark-2.4.2/assembly/target/scala-2.12/jars) each time on running spark-shell command

[#1]

I have setup and install Spark version 2.4.3 by referring the steps mentioned in the url.
but I am not able to launch spark shell.
Downloaded tgz file of spark from the URL
File name : spark-2.4.3-bin-hadoop2.6.tgz

Hadoop version : Hadoop 2.6.0-cdh5.15.1

Please help in resolving this issue
Thanks in advance