Msg 102, Level 15, State 1, Server DESKTOP-U368A1B, Line 1 Incorrect syntax near '1'

I get the above error message when i run the following perl script from the cmd, that is supposed to do some transaction in my database. #!/usr/bin/perl. use warnings; use strict; my ( $pid1, $pid2, $pid3, $i ); #Declaration of local variables $| = 1; if ( ($pid1 = fork()) && ($pid2 = fork()) && ($pid3 = fork()) ) { #Starts child processes print( "I have to wait for my kids.\n" ); #The main process execute this code my $straggler = wait(); #The main process waits for all the children to finish print( "Finally $straggler finished, now I can go.\n" ); } elsif ( $pid1 && $pid2 && defined($pid3)) { #Is executed by the third child sleep( 1 ); #Wait 1 second print( "Start moving money between account 1 - 2" ); sleep(2); for ($i=0; $i Msg 102, Level 15, State 1, Server DESKTOP-U368A1B, Line 1 Incorrect syntax near '1'. I would really appreciate if somebody could help me out. I have tried to google a solution but havn't had any luck.