Registration problems:
  symbol ‘`_bigstatsr_COPY_cdfit_binomial_hsr`’ not in namespace:
   .Call(`_bigstatsr_COPY_cdfit_binomial_hsr`, BM, y, row_idx, covar, 
       lambda, L, lam_scale, lambda_min, alpha, user, eps, max_iter, 
       m, dfmax, warn, verbose)
  symbol ‘`_bigstatsr_COPY_cdfit_gaussian_hsr`’ not in namespace:
   .Call(`_bigstatsr_COPY_cdfit_gaussian_hsr`, BM, y, row_idx, covar, 
       lambda, L, lam_scale, lambda_min, alpha, user, eps, max_iter, 
       m, dfmax, verbose)
  symbol ‘`_bigstatsr_COPY_sparse_svm`’ not in namespace:
   .Call(`_bigstatsr_COPY_sparse_svm`, BM, y, row_idx, covar, lambda, 
       pf, gamma, alpha, thresh, lambda_min, scrflag, dfmax, max_iter, 
       user, message)
  symbol ‘`_bigstatsr_GET_ERROR_BOUNDS`’ not in namespace:
   .Call(`_bigstatsr_GET_ERROR_BOUNDS`)
  symbol ‘`_bigstatsr_GET_ERROR_DIM`’ not in namespace:
   .Call(`_bigstatsr_GET_ERROR_DIM`)
  symbol ‘`_bigstatsr_GET_ERROR_TYPE`’ not in namespace:
   .Call(`_bigstatsr_GET_ERROR_TYPE`)
  symbol ‘`_bigstatsr_GET_ERROR_USHORT`’ not in namespace:
   .Call(`_bigstatsr_GET_ERROR_USHORT`)
  symbol ‘`_bigstatsr_IRLS`’ not in namespace:
   .Call(`_bigstatsr_IRLS`, BM, covar, y, z0, w0, rowInd, colInd, 
       tol, maxiter)
  symbol ‘`_bigstatsr_auc_cpp`’ not in namespace:
   .Call(`_bigstatsr_auc_cpp`, x_pos, x_neg)
  symbol ‘`_bigstatsr_bigcolvars`’ not in namespace:
   .Call(`_bigstatsr_bigcolvars`, BM, rowInd, colInd)
  symbol ‘`_bigstatsr_complete2`’ not in namespace:
   .Call(`_bigstatsr_complete2`, BM)
  symbol ‘`_bigstatsr_cpMatVec4`’ not in namespace:
   .Call(`_bigstatsr_cpMatVec4`, BM, x, rowInd, colInd)
  symbol ‘`_bigstatsr_createFile`’ not in namespace:
   .Call(`_bigstatsr_createFile`, fileName, nrow, ncol, type)
  symbol ‘`_bigstatsr_decodeMat`’ not in namespace:
   .Call(`_bigstatsr_decodeMat`, source, code)
  symbol ‘`_bigstatsr_decodeVec`’ not in namespace:
   .Call(`_bigstatsr_decodeVec`, source, code)
  symbol ‘`_bigstatsr_extractMat`’ not in namespace:
   .Call(`_bigstatsr_extractMat`, xpbm, rowInd, colInd)
  symbol ‘`_bigstatsr_extractVec`’ not in namespace:
   .Call(`_bigstatsr_extractVec`, xpbm, elemInd)
  symbol ‘`_bigstatsr_getXPtrFBM`’ not in namespace:
   .Call(`_bigstatsr_getXPtrFBM`, path, n, m, type)
  symbol ‘`_bigstatsr_incrSup2`’ not in namespace:
   .Call(`_bigstatsr_incrSup2`, BM, source)
  symbol ‘`_bigstatsr_mycount1`’ not in namespace:
   .Call(`_bigstatsr_mycount1`, BM, rowInd, colInd, codeInd)
  symbol ‘`_bigstatsr_mycount2`’ not in namespace:
   .Call(`_bigstatsr_mycount2`, BM, rowInd, colInd, codeInd)
  symbol ‘`_bigstatsr_pMatVec4`’ not in namespace:
   .Call(`_bigstatsr_pMatVec4`, BM, x, rowInd, colInd)
  symbol ‘`_bigstatsr_replaceMat`’ not in namespace:
   .Call(`_bigstatsr_replaceMat`, xpbm, rowInd, colInd, mat)
  symbol ‘`_bigstatsr_replaceMatOne`’ not in namespace:
   .Call(`_bigstatsr_replaceMatOne`, xpbm, rowInd, colInd, val)
  symbol ‘`_bigstatsr_replaceVec`’ not in namespace:
   .Call(`_bigstatsr_replaceVec`, xpbm, elemInd, vec)
  symbol ‘`_bigstatsr_replaceVecOne`’ not in namespace:
   .Call(`_bigstatsr_replaceVecOne`, xpbm, elemInd, val)
  symbol ‘`_bigstatsr_scaleK`’ not in namespace:
   .Call(`_bigstatsr_scaleK`, BM, sums, mu, delta, nrow)
  symbol ‘`_bigstatsr_scaling`’ not in namespace:
   .Call(`_bigstatsr_scaling`, source, mean, sd)
  symbol ‘`_bigstatsr_transpose3`’ not in namespace:
   .Call(`_bigstatsr_transpose3`, BM, BM2)
  symbol ‘`_bigstatsr_univLinReg5`’ not in namespace:
   .Call(`_bigstatsr_univLinReg5`, BM, covar_U, y, rowInd, colInd)
See chapter ‘System and foreign language interfaces’ in the ‘Writing R
Extensions’ manual.