R CMD check found ERRORs

Invalid usage of futures: A future (here 'Future') whose value has not yet been collected can only be queried by the R process (4f7ff089-d41a-4a21-47d4-8f1020e16ebc; pid 12020 on fv-az530-80) that created it, not by any other R processes (696535d4-dd5a-fa99-bb4a-a420f7722a1a; pid 12084 on fv-az530-80): {; x[[i - 2]] + x[[i - 1]]; }

Process completed with exit code 1.

Failed to CreateArtifact: Received non-retryable error: Failed request: (409) Conflict: an artifact with this name already exists on the workflow run