[GH-ISSUE #161] [FBref] Raise informative exception when DataFrames cannot be joined #39

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opened 2026-03-02 15:55:15 +03:00 by kerem · 0 comments

kerem commented

2026-03-02 15:55:15 +03:00

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Originally created by @probberechts on GitHub (Feb 10, 2023).
Original GitHub issue: https://github.com/probberechts/soccerdata/issues/161

The FBref scraper attempts to merge data from multiple games, seasons, etc. in a single DataFrame. Sometimes this automatic merge fails, in which case a cryptic error is thrown (see #160). Instead, a more informative error message should be printed with the suggestion to clear the cache (a common cause is merging new with outdated cached data) or to scrape individual seasons and leagues. We might also consider returning the data as a list if merging fails.

Originally created by @probberechts on GitHub (Feb 10, 2023). Original GitHub issue: https://github.com/probberechts/soccerdata/issues/161 The FBref scraper attempts to merge data from multiple games, seasons, etc. in a single DataFrame. Sometimes this automatic merge fails, in which case a cryptic error is thrown (see #160). Instead, a more informative error message should be printed with the suggestion to clear the cache (a common cause is merging new with outdated cached data) or to scrape individual seasons and leagues. We might also consider returning the data as a list if merging fails.