r - 如何消除错误：有幻数“PK-”不推荐使用 2 之前的保存版本？

Question

R 4.0.3 GUI 1.73 Catalina build (7892) for mac

Error in load("/Users/***/Desktop/R2019.r d a") : 
  bad restore file magic number (file may be corrupted) -- no data loaded
In addition: Warning message:
file ‘R2019. r d a’ has magic number 'PK-'
  Use of save versions prior to 2 is deprecated