Hello, I'm trying to do a difference in difference for the data below. The treatment starts after January-2012-01 but when I try running the regression is says the indicator variable and the treatment variable are correlated and drops them. I want the response variable to the re_arrests which is dichotomous, the treat variable is the treatment effect and the treatment as written above starts on January-2012-01


Code:
* Example generated by -dataex-. To install: ssc install dataex
clear
input long caseid int person_id str10(arrest_date dispos_date) byte treat str8 race str1 gender str10 bdate float(distance re_arrest prior_arrests numeric_bdate AGE numeric_arrest_date numeric_dispos_date) long(numeric_race numeric_gender)
57514  1 "2012-01-04" "2012-03-27" 0 "HISPANIC" "F" "1985-07-03"    . 0 4  9315  26.50513 18996 19079 3 1
39970  1 "2012-07-11" "2012-10-20" 1 "HISPANIC" "F" "1985-07-03"  106 0 4  9315 27.022587 19185 19286 3 1
88413  1 "2013-04-04" "2013-06-22" 0 "HISPANIC" "F" "1985-07-03"  166 0 4  9315 27.753593 19452 19531 3 1
    .  1 "2008-06-14" ""           . ""         ""  ""              . . 4     .         . 17697     . . .
    .  1 "2010-04-09" ""           . ""         ""  ""              . . 4     .         . 18361     . . .
40216  5 "2012-03-31" "2013-03-25" 0 "BLACK"    "M" "1986-09-27"    . 0 2  9766 25.508556 19083 19442 2 2
    .  5 "2010-05-20" ""           . ""         ""  ""              . . 2     .         . 18402     . . .
    .  5 "2009-06-07" ""           . ""         ""  ""              . . 2     .         . 18055     . . .
92255  6 "2012-12-09" "2013-11-09" 0 "BLACK"    "M" "1991-06-07"    . 0 3 11480 21.508556 19336 19671 2 2
    .  6 "2009-09-18" ""           . ""         ""  ""              . . 3     .         . 18158     . . .
    .  6 "2008-03-16" ""           . ""         ""  ""              . . 3     .         . 17607     . . .
    .  6 "2009-01-20" ""           . ""         ""  ""              . . 3     .         . 17917     . . .
26516  7 "2012-02-25" "2012-03-26" 0 "HISPANIC" "F" "1994-08-24"    . 0 0 12654 17.505817 19048 19078 3 1
 2913  8 "2012-10-06" "2013-12-29" 1 "BLACK"    "M" "1978-04-04"    . 0 5  6668  34.50787 19272 19721 2 2
 6304  8 "2013-04-06" "2013-07-07" 0 "BLACK"    "M" "1978-04-04" -267 1 5  6668  35.00616 19454 19546 2 2
    .  8 "2009-08-05" ""           . ""         ""  ""              . . 5     .         . 18114     . . .
    .  8 "2011-05-06" ""           . ""         ""  ""              . . 5     .         . 18753     . . .
    .  8 "2010-06-18" ""           . ""         ""  ""              . . 5     .         . 18431     . . .
    .  8 "2011-06-17" ""           . ""         ""  ""              . . 5     .         . 18795     . . .
82277  9 "2012-01-12" "2012-11-08" 0 "ASIAN"    "F" "1994-07-11"    . 0 2 12610 17.505817 19004 19305 1 1
31881  9 "2013-09-25" "2013-12-29" 1 "ASIAN"    "F" "1994-07-11"  321 0 2 12610  19.20876 19626 19721 1 1
    .  9 "2011-02-06" ""           . ""         ""  ""              . . 2     .         . 18664     . . .
11354 10 "2013-07-03" "2014-12-13" 1 "HISPANIC" "M" "1984-12-30"    . 0 3  9130   28.5065 19542 20070 3 2
    . 10 "2009-08-15" ""           . ""         ""  ""              . . 3     .         . 18124     . . .
    . 10 "2010-10-29" ""           . ""         ""  ""              . . 3     .         . 18564     . . .
    . 10 "2009-06-03" ""           . ""         ""  ""              . . 3     .         . 18051     . . .
end
format %td numeric_bdate
format %td numeric_arrest_date
format %td numeric_dispos_date
label values numeric_race numeric_race
label def numeric_race 1 "ASIAN", modify
label def numeric_race 2 "BLACK", modify
label def numeric_race 3 "HISPANIC", modify
label values numeric_gender numeric_gender
label def numeric_gender 1 "F", modify
label def numeric_gender 2 "M", modify