If you've encounter the Pokemon TCG Pocket Error code 102-243-099 then it's likely that you've tried to claim rewards from the Handy Card Collection Missions, but have been kicked back to the title screen instead of receiving some new trainer cards. Unfortunately you'll be stuck in this loop until you take further action, but we've got the solution to resolve this error, so read on for detail of how to fix Error code 102-243-099 in PTCGP.
How to fix Error code 102-243-099 in Pokemon TCG Pocket
Error code 102-243-099 in Pokemon TCG Pocket is caused by a glitch within the Missions section of the game, where the Handy Card Collection Missions erroneously show further progress than you've actually achieved. To unlock all of the rewards you need to get a total of 20 points in solo battles, but as soon as you start earning points in battles all of the missions will be marked as Complete, as seen in the image above. However, if you then try and claim those rewards, the error code will appear and send you back to the title screen with no further explanation.
Therefore, to fix Error code 102-243-099 you just need to keep playing solo battles until you've earned a total of 20 points, which will legitimately unlock all of the Handy Card Collection Missions rewards. You can then go through to that section of the Missions area and follow the usual prompt to collect your new trainer cards with no error messages in sight.
If you've definitely earned at least 20 points from solo battles and are still running into the same error, then Pokemon Support suggests you can try clearing your Pokemon TCG Pocket app cache. To do this, restart the game and then tap the triple bar icon in the top right corner of the title screen to open the menu, before selecting the 'Clear Cache' option. This will not delete your save data, however you will potentially have to redownload 3GB+ of game data and clear a large number of notifications in your challenges collection, so this should only be done as a last resort.
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