Barr tweeted more details on the fallout Thursday, saying she "begged" her boss, Ben Sherwood, president of the Disney-ABC Television Group, to let her redeem herself.
"I begged Ben Sherwood at ABC 2 let me apologize & make amends. I begged them not to cancel the show. I told them I was willing to do anything & asked 4 help in making things right. I'd worked doing publicity 4 them 4 free for weeks, traveling, thru bronchitis. I begged 4 ppls jobs," she wrote.
She went on to describe their conversation.
"He said: what were you thinking when you did this? I said: I thought she was white, she looks like my family! He scoffed & said: "what u have done is egregious, and unforgivable.' I begged 4 my crews jobs. Will I ever recover from this pain? omg," she tweeted later.
In the flurry of tweets Thursday, she apologized to her "Roseanne" co-star, Jayden Rey.
"I think I'll b better tomorrow. The saddest part of all is 4 Jayden Rey on the show whom I grew2 love so much & am so ashamed of myself that she would ever think I do not love her bc she is African American. It's the most gawd awful painful thing. I can't let myself cave in tho," she added.
Barr ended her series of tweets by promising that she will be away from Twitter "for a while."
A few hours later, she deleted the tweets about her begging ABC not to cancel the show and her apology to her co-star. The only one left said she was signing off Twitter for a while and she was offering "everyone involved one more apology and prayers."
After she sent the tweets about Jarrett on Tuesday, she