# Data disappears **URL:** \ **Category:** Ask for Help\ **Created:** [October 8, 2020, 3:31pm UTC](https://community.glideapps.com/t/data-disappears/16922 "2020-10-08T15:31:18Z")\ **Posts on this page:** 11\ **Page:** 1
**Author:** ![Divya\_Puliani](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/divya_puliani/32/1932_2.png) [@Divya\_Puliani](https://community.glideapps.com/u/Divya_Puliani)\ **Post date:** [October 8, 2020, 3:31pm UTC](https://community.glideapps.com/t/data-disappears/16922/1 "2020-10-08T15:31:18Z")
I am building a personal health app. One sheet has a date, and corresponding to each date, the user enters personal log of items such as number of hours slept, quality of sleep etc. Lets call this sheet “Personal Log” I have created another sheet, which I am building as a “dashboard”. I have related the date column in the “Dashboard” sheet to the “Date” column in the “Personal Log” sheet. I have looked up 2 details from the Personal Log into the Dashboard (Lets call them column A & column B). Each time I try to do any math on these 2 columns, the “Date” column in the Dashboard sheet goes blank. This has happened multiple times. Any inputs on why this is happening? ---
**Author:** ![david](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/david/32/62831_2.png) [@david](https://community.glideapps.com/u/david)\ **Post date:** [October 8, 2020, 3:36pm UTC](https://community.glideapps.com/t/data-disappears/16922/2 "2020-10-08T15:36:08Z")
Can you please make a video of this? ---
**Author:** ![Divya\_Puliani](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/divya_puliani/32/1932_2.png) [@Divya\_Puliani](https://community.glideapps.com/u/Divya_Puliani)\ **Post date:** [October 8, 2020, 3:49pm UTC](https://community.glideapps.com/t/data-disappears/16922/3 "2020-10-08T15:49:57Z")
I can see the data & the math calculation now. I’ll share here if this recurs. Thanks! ---
**Author:** ![Robert\_Petitto](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/robert_petitto/32/25193_2.png) [@Robert\_Petitto](https://community.glideapps.com/u/Robert_Petitto)\ **Post date:** [October 8, 2020, 4:46pm UTC](https://community.glideapps.com/t/data-disappears/16922/4 "2020-10-08T16:46:52Z")
I’ve noticed this too. I have to refresh the app for it to appear again. ---
**Author:** ![ThinhDinh](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/thinhdinh/32/49_2.png) [@ThinhDinh](https://community.glideapps.com/u/ThinhDinh)\ **Post date:** [October 8, 2020, 5:21pm UTC](https://community.glideapps.com/t/data-disappears/16922/5 "2020-10-08T17:21:01Z")
Can confirm this also happens to me randomly today. ---
**Author:** ![Robert\_Petitto](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/robert_petitto/32/25193_2.png) [@Robert\_Petitto](https://community.glideapps.com/u/Robert_Petitto)\ **Post date:** [October 8, 2020, 5:56pm UTC](https://community.glideapps.com/t/data-disappears/16922/6 "2020-10-08T17:56:49Z")
Seems to be tied to the Math column. Whenever I add one and mess with it a bit, other columns (even ones not associated to the math column)—specifically relation/rollup columns— display as empty which appears to affect the math column. The data is still there, though, because when I refresh the tab, all is restored. Proof: > **[DIY Legends · Glide · Create Apps from Google Sheets](https://www.loom.com/share/7f90a55d74154bcd9fc9f6c7020cee3b)** > > Check out a video I made via Loom ---
**Author:** ![Rosewebstudio](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/rosewebstudio/32/12261_2.png) [@Rosewebstudio](https://community.glideapps.com/u/Rosewebstudio)\ **Post date:** [October 8, 2020, 6:11pm UTC](https://community.glideapps.com/t/data-disappears/16922/7 "2020-10-08T18:11:13Z")
Related [URGENT: Glide Sheets Losing Dates](https://community.glideapps.com/t/urgent-glide-sheets-losing-dates/16820) ---
**Author:** ![V88](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/v88/32/90054_2.png) [@V88](https://community.glideapps.com/u/V88)\ **Post date:** [October 8, 2020, 6:25pm UTC](https://community.glideapps.com/t/data-disappears/16922/8 "2020-10-08T18:25:22Z")
Yes. Related. The data loss was temporary and as described here. ---
**Author:** ![Robert\_Petitto](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/robert_petitto/32/25193_2.png) [@Robert\_Petitto](https://community.glideapps.com/u/Robert_Petitto)\ **Post date:** [October 11, 2020, 1:44am UTC](https://community.glideapps.com/t/data-disappears/16922/9 "2020-10-11T01:44:32Z")
@Mark Any update on this? Still happening whenever I add a Math column. ---
**Author:** ![Manu.n](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/manu.n/32/11679_2.png) [@Manu.n](https://community.glideapps.com/u/Manu.n)\ **Post date:** [October 11, 2020, 2:37am UTC](https://community.glideapps.com/t/data-disappears/16922/10 "2020-10-11T02:37:50Z")
Hello, Yes I already had the same problem. > [@Bug Column Date](https://community.glideapps.com/t/bug-column-date/16779): > > Hello, Uhmm Bug on a Date column. Without changing anything, a Date column has become blank with the type “None” while the data is in the Google Sheet. Unable to refresh the column despite a Refresh Sheet ??? My solution is to close the editor and reopen it. ---
**Author:** ![Antonino\_Nolasco](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/antonino_nolasco/32/80601_2.png) [@Antonino\_Nolasco](https://community.glideapps.com/u/Antonino_Nolasco)\ **Post date:** [October 11, 2020, 5:50pm UTC](https://community.glideapps.com/t/data-disappears/16922/11 "2020-10-11T17:50:30Z")
I have the same problem, but in the editor I can see the values, in the iOS app I can’t, in android app it works. [https://community.glideapps.com/t/cant-load-values-from-month-and-year-formula-on-ios/16998/20](https://community.glideapps.com/t/cant-load-values-from-month-and-year-formula-on-ios/16998/20)