scanbase parse failures

[bcdarwin]

Parsing a downloaded copy of Scans with readr::read_csv:

See spec(...) for full column specifications.
Warning: 905 parsing failures.
 row   col           expected          actual                                file
1440 Notes 1/0/T/F/TRUE/FALSE missing headers 'scanbase_40um-Scans_15jan2020.csv'
1441 Notes 1/0/T/F/TRUE/FALSE missing headers 'scanbase_40um-Scans_15jan2020.csv'
1442 Notes 1/0/T/F/TRUE/FALSE missing headers 'scanbase_40um-Scans_15jan2020.csv'
1443 Notes 1/0/T/F/TRUE/FALSE missing headers 'scanbase_40um-Scans_15jan2020.csv'
1444 Notes 1/0/T/F/TRUE/FALSE missing headers 'scanbase_40um-Scans_15jan2020.csv'
.... ..... .................. ............... ...................................
See problems(...) for more details.

Trying googlesheets4:

df <- read_sheet("https://docs.google.com/spreadsheets/rest_of_url")
Reading from 'scanbase_40um'

Error in parse(df$cell, ctype, ...) : is_string(ctype) is not TRUE