Issue with sourcing a file

Shell Programming and Scripting
1

I have a issue.sh script

more issue.sh
#!/bin/bash -e
echo "start"
source ~/.moht
echo "end"

Contents of ~/.moht are as below

more ~/.moht
umask 022
export EDITOR=vi
SYSNM=`uname -n`
UID=`id`
HOST=`hostname`

Executing of issue.sh throws the below error

./issue.sh
start
/opt/user1/.moht: line 4: UID: readonly variable

Can you please explain why i see this error & how to fix it?

2

As you may remember, reading man pages sometimes helps. man bash :

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