Check: tests, Result: ERROR Running ‘test-catch.R’ [13s/11s] Running ‘testthat.R’ [43s/19s] Running the tests in ‘tests/testthat.R’ failed. Last 13 lines of output: ! `y` must be a vector, not `NULL`. + i Read our FAQ about scalar types (`?vctrs::faq_error_scalar_type`) to learn more. * Run `testthat::snapshot_accept("expect-vector", "testthat")` to accept the change. * Run `testthat::snapshot_review("expect-vector", "testthat")` to review the change. ── Snapshots ─────────────────────────────────────────────────────────────────── To review and process snapshots locally: * Locate check directory. * Copy 'tests/testthat/_snaps' to local package. * Run `testthat::snapshot_accept()` to accept all changes. * Run `testthat::snapshot_review()` to review all changes. [ FAIL 1 | WARN 0 | SKIP 177 | PASS 1067 ] Error: ! Test failures. Execution halted