The latest articles on DEV Community by @abdou (@abdou360). https://dev.to/abdou360 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F1034266%2F137ff7bd-497a-40bc-8123-1b87fda6b177.png https://dev.to/abdou360 en @abdou Sun, 26 Feb 2023 16:30:31 +0000 https://dev.to/abdou360/answer-invalidoperationexception-role-does-not-exist-lf https://dev.to/abdou360/answer-invalidoperationexception-role-does-not-exist-lf <div class="ltag__stackexchange--container"> <div class="ltag__stackexchange--title-container"> <div class="ltag__stackexchange--title"> <div class="ltag__stackexchange--header"> <img src="https://res.cloudinary.com/practicaldev/image/fetch/s--7Gn-iPj_--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev.to/assets/stackoverflow-logo-b42691ae545e4810b105ee957979a853a696085e67e43ee14c5699cf3e890fb4.svg" alt=""> <a href="https://stackoverflow.com/questions/70559504/invalidoperationexception-role-admin-does-not-exist/75573263#75573263" rel="noopener noreferrer"> <span class="title-flare">answer</span> re: InvalidOperationException: Role ADMIN does not exist </a> </div> <div class="ltag__stackexchange--post-metadata"> <span>Feb 26 '23</span> </div> </div> <a class="ltag__stackexchange--score-container" href="https://stackoverflow.com/questions/70559504/invalidoperationexception-role-admin-does-not-exist/75573263#75573263" rel="noopener noreferrer"> <img src="https://res.cloudinary.com/practicaldev/image/fetch/s--Y9mJpuJP--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev.to/assets/stackexchange-arrow-up-eff2e2849e67d156181d258e38802c0b57fa011f74164a7f97675ca3b6ab756b.svg" alt=""> <div class="ltag__stackexchange--score-number"> 0 </div> <img src="https://res.cloudinary.com/practicaldev/image/fetch/s--wif5Zq3z--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev.to/assets/stackexchange-arrow-down-4349fac0dd932d284fab7e4dd9846f19a3710558efde0d2dfd05897f3eeb9aba.svg" alt=""> </a> </div> <div class="ltag__stackexchange--body"> <p>Okay! I found a solution by the help of <a href="https://stackoverflow.com/users/14574199/tiny-wang">Tiny Wang</a> <a href="https://stackoverflow.com/a/70562143/18773264">answer</a>, the issue solution is To add the <strong>NormalizedName</strong> in the <strong>Roles</strong> table instead of NULL! You can do that manually or using the piece of code of Tiny Wang</p> </div> <div class="ltag__stackexchange--btn--container"> <a href="https://stackoverflow.com/questions/70559504/invalidoperationexception-role-admin-does-not-exist/75573263#75573263" class="ltag__stackexchange--btn" rel="noopener noreferrer">Open Full Answer</a> </div> </div> aspnet entityframework net aspnetcore