Fix type mismatch of format string

[typeless]

The "%s" in the format string can not accept an unsupported type.

[codecov-io]

Codecov Report

Merging #5574 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #5574   +/-   ##
=======================================
  Coverage   37.56%   37.56%           
=======================================
  Files         321      321           
  Lines       47206    47206           
=======================================
  Hits        17731    17731           
  Misses      26929    26929           
  Partials     2546     2546

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