I got this error and the message said to report it on GitHub so I'm posting the error message here

Error while exporting:
TypeError: Failed to fetch
at bXb (PLUGINS/(Plugin):cpm_plugin.js:1772:484)
at LWb (PLUGINS/(Plugin):cpm_plugin.js:1754:570)
at p1b (PLUGINS/(Plugin):cpm_plugin.js:1994:42)
at g2b.h2b [as ie] (PLUGINS/(Plugin):cpm_plugin.js:2021:41)
at OLe (PLUGINS/(Plugin):cpm_plugin.js:6882:67)
at o1b (PLUGINS/(Plugin):cpm_plugin.js:1993:23)
at Function.f2b (PLUGINS/(Plugin):cpm_plugin.js:2020:55)
at d (PLUGINS/(Plugin):cpm_plugin.js:19:47)
at new Promise ()
at c2b.d2b [as Rg] (PLUGINS/(Plugin):cpm_plugin.js:2019:48)
at z7b (PLUGINS/(Plugin):cpm_plugin.js:2216:32)
at i1b (PLUGINS/(Plugin):cpm_plugin.js:1987:177)
at j1b (PLUGINS/(Plugin):cpm_plugin.js:1988:62)
at Function.p4b (PLUGINS/(Plugin):cpm_plugin.js:2097:52)
at Codec.d (PLUGINS/(Plugin):cpm_plugin.js:19:47)
at Function.gTb (PLUGINS/(Plugin):cpm_plugin.js:1657:63)
at Action.d [as onClick] (PLUGINS/(Plugin):cpm_plugin.js:19:47)
at Action.click (file:///C:/Users/kobol/AppData/Local/Programs/Blockbench/resources/app.asar/js/interface/actions.js:268:10)
at Action.trigger (file:///C:/Users/kobol/AppData/Local/Programs/Blockbench/resources/app.asar/js/interface/actions.js:335:10)
at HTMLLIElement. (file:///C:/Users/kobol/AppData/Local/Programs/Blockbench/resources/app.asar/js/interface/actions.js:294:10)

For whatever reason, just closing Blockbench, leaving it for a few hours, and coming back seems to have fixed it. I'm not sure how